240 Area CodeGermantown, MD

Area code 240 covers Germantown and 313 other cities in Maryland: 2,956,782 people in 12 counties, led by Montgomery and Prince George's, on Eastern Time (ET). It overlays 227 and 301.

Major City: Germantown
State: Maryland (MD)
Timezone: Eastern Time (ET)
Current Time: –:––
Overlay: Yes – shares area with 227, 301

Nearby Area Codes

571/703 (Arlington, VA)
202/771 (Washington, DC)
410/443/667 (Baltimore, MD)
223/717 (Lancaster, PA)
302 (Wilmington, DE)
215/267/445 (Philadelphia, PA)
686/804 (Richmond, VA)
856 (Camden, NJ)

Where is area code 240?

Overview of the 240 Area Code

Geographic Coverage of the 240 Area Code

All 314 cities

Columbiaalso 410 · 443 · 667
99,615
Frederick
89,537
Germantown
86,395
Silver Spring
71,452
Gaithersburg
70,686
Rockville
68,417

Germantown Area Codes Overview

What cities does area code 240 cover?

City	State	Population	Population in 240	% of listed-city population	% of City
Columbia	MD	99,615	11,397	4.1%	11.4%
Frederick	MD	89,537	89,537	3.7%	100.0%
Germantown	MD	86,395	86,395	3.5%	100.0%
Silver Spring	MD	71,452	71,452	2.9%	100.0%
Gaithersburg	MD	70,686	70,686	2.9%	100.0%
Rockville	MD	68,417	68,417	2.8%	100.0%
Waldorf	MD	67,752	67,752	2.8%	100.0%
Bethesda	MD	60,858	60,858	2.5%	100.0%
Bowie	MD	58,421	58,421	2.4%	100.0%
Aspen Hill	MD	48,759	48,759	2.0%	100.0%
Wheaton	MD	48,284	48,284	2.0%	100.0%
Potomac	MD	44,965	44,965	1.8%	100.0%
Hagerstown	MD	43,909	43,909	1.8%	100.0%
North Bethesda	MD	43,828	43,828	1.8%	100.0%
Clinton	MD	35,970	35,970	1.5%	100.0%
College Park	MD	34,667	34,667	1.4%	100.0%
Olney	MD	33,844	33,844	1.4%	100.0%
Chillum	MD	33,513	33,513	1.4%	100.0%
Montgomery Village	MD	32,032	32,032	1.3%	100.0%
Laurel	MD	30,238	30,238	1.2%	100.0%
South Laurel	MD	26,112	26,112	1.1%	100.0%
Suitland	MD	25,825	25,825	1.1%	100.0%
Greenbelt	MD	24,843	24,843	1.0%	100.0%
North Potomac	MD	24,410	24,410	1.0%	100.0%
Scaggsville	MD	24,333	24,333	1.0%	100.0%
Fort Washington	MD	23,717	23,717	1.0%	100.0%
Fairland	MD	23,681	23,681	1.0%	100.0%
Landover	MD	23,078	23,078	0.9%	100.0%
Hyattsville	MD	21,052	21,052	0.9%	100.0%
Camp Springs	MD	19,096	19,096	0.8%	100.0%
Langley Park	MD	18,755	18,755	0.8%	100.0%
Cumberland	MD	18,643	18,643	0.8%	100.0%
Ballenger Creek	MD	18,274	18,274	0.7%	100.0%
Takoma Park	MD	17,856	17,856	0.7%	100.0%
Calverton	MD	17,724	17,724	0.7%	100.0%
Oxon Hill	MD	17,722	17,722	0.7%	100.0%
White Oak	MD	17,403	17,403	0.7%	100.0%
Glassmanor	MD	17,295	17,295	0.7%	100.0%
Seabrook	MD	17,287	17,287	0.7%	100.0%
Redland	MD	17,242	17,242	0.7%	100.0%
Beltsville	MD	16,772	16,772	0.7%	100.0%
Hillcrest Heights	MD	16,469	16,469	0.7%	100.0%
Maryland City	MD	16,093	16,093	0.7%	100.0%
East Riverdale	MD	15,509	15,509	0.6%	100.0%
Damascus	MD	15,257	15,257	0.6%	100.0%
Cloverly	MD	15,126	15,126	0.6%	100.0%
Adelphi	MD	15,086	15,086	0.6%	100.0%
Colesville	MD	14,647	14,647	0.6%	100.0%
Clarksburg	MD	13,766	13,766	0.6%	100.0%
New Carrollton	MD	13,645	13,645	0.6%	100.0%
Glenmont	MD	13,529	13,529	0.6%	100.0%
Glenn Dale	MD	13,466	13,466	0.6%	100.0%
Kettering	MD	12,790	12,790	0.5%	100.0%
Kemp Mill	MD	12,564	12,564	0.5%	100.0%
Forestville	MD	12,353	12,353	0.5%	100.0%
Travilah	MD	12,159	12,159	0.5%	100.0%
Bensville	MD	11,923	11,923	0.5%	100.0%
California	MD	11,857	11,857	0.5%	100.0%
Lexington Park	MD	11,626	11,626	0.5%	100.0%
La Plata	MD	11,374	11,374	0.5%	100.0%
Walker Mill	MD	11,302	11,302	0.5%	100.0%
Mitchellville	MD	10,967	10,967	0.5%	100.0%
Summerfield	MD	10,898	10,898	0.4%	100.0%
Largo	MD	10,709	10,709	0.4%	100.0%
Halfway	MD	10,701	10,701	0.4%	100.0%
Rosaryville	MD	10,697	10,697	0.4%	100.0%
Accokeek	MD	10,573	10,573	0.4%	100.0%
Bel Air	MD	10,395	10,395	0.4%	100.0%
Lanham	MD	10,157	10,157	0.4%	100.0%
Mount Airy	MD	9,914	9,914	0.4%	100.0%
Coral Hills	MD	9,895	9,895	0.4%	100.0%
Lake Arbor	MD	9,776	9,776	0.4%	100.0%
Bladensburg	MD	9,635	9,635	0.4%	100.0%
Brock Hall	MD	9,552	9,552	0.4%	100.0%
North Kensington	MD	9,514	9,514	0.4%	100.0%
Marlboro Village	MD	9,438	9,438	0.4%	100.0%
Fort Meade	MD	9,327	0	0.4%	0.0%
Friendly	MD	9,250	9,250	0.4%	100.0%
Urbana	MD	9,175	9,175	0.4%	100.0%
Marlton	MD	9,031	9,031	0.4%	100.0%
Brunswick	MD	9,015	9,015	0.4%	100.0%
Leisure World	MD	8,749	8,749	0.4%	100.0%
Linganore	MD	8,543	8,543	0.4%	100.0%
South Kensington	MD	8,462	8,462	0.3%	100.0%
Burtonsville	MD	8,323	8,323	0.3%	100.0%
Mount Rainier	MD	8,269	8,269	0.3%	100.0%
Four Corners	MD	7,945	7,945	0.3%	100.0%
Temple Hills	MD	7,852	7,852	0.3%	100.0%
Riverdale Park	MD	7,296	7,296	0.3%	100.0%
Westphalia	MD	7,266	7,266	0.3%	100.0%
Bryans Road	MD	7,244	7,244	0.3%	100.0%
Savage	MD	7,054	7,054	0.3%	100.0%
Frostburg	MD	6,972	6,972	0.3%	100.0%
Robinwood	MD	6,918	6,918	0.3%	100.0%
Darnestown	MD	6,802	6,802	0.3%	100.0%
Brandywine	MD	6,719	6,719	0.3%	100.0%
Forest Glen	MD	6,582	6,582	0.3%	100.0%
Walkersville	MD	6,535	6,535	0.3%	100.0%
Glenarden	MD	6,394	6,394	0.3%	100.0%
Woodlawn	MD	6,334	6,334	0.3%	100.0%
Thurmont	MD	6,308	6,308	0.3%	100.0%
Cheverly	MD	6,125	6,125	0.3%	100.0%
Hillandale	MD	6,043	6,043	0.3%	100.0%
Silver Hill	MD	5,950	5,950	0.2%	100.0%
District Heights	MD	5,916	5,916	0.2%	100.0%
Poolesville	MD	5,856	5,856	0.2%	100.0%
Shady Side	MD	5,803	0	0.2%	0.0%
Spring Ridge	MD	5,795	5,795	0.2%	100.0%
Fountainhead-Orchard Hills	MD	5,666	5,666	0.2%	100.0%
Ashton-Sandy Spring	MD	5,628	5,628	0.2%	100.0%
Marlow Heights	MD	5,618	5,618	0.2%	100.0%
Layhill	MD	5,169	5,169	0.2%	100.0%
Middletown	MD	5,055	5,055	0.2%	100.0%
Leonardtown	MD	5,041	5,041	0.2%	100.0%
Fairwood	MD	5,031	5,031	0.2%	100.0%
Peppermill Village	MD	4,895	4,895	0.2%	100.0%
Friendship Heights Village	MD	4,698	4,698	0.2%	100.0%
Cresaptown	MD	4,592	4,592	0.2%	100.0%
Seat Pleasant	MD	4,518	4,518	0.2%	100.0%
North Laurel	MD	4,474	4,474	0.2%	100.0%
Indian Head	MD	4,247	4,247	0.2%	100.0%
West Laurel	MD	4,230	4,230	0.2%	100.0%
Capitol Heights	MD	4,038	4,038	0.2%	100.0%
Woodmore	MD	3,936	3,936	0.2%	100.0%
Boonsboro	MD	3,850	3,850	0.2%	100.0%
Golden Beach	MD	3,796	3,796	0.2%	100.0%
Brentwood	MD	3,795	3,795	0.2%	100.0%
National Harbor	MD	3,788	3,788	0.2%	100.0%
Marlboro Meadows	MD	3,672	3,672	0.2%	100.0%
La Vale	MD	3,551	3,551	0.1%	100.0%
Brookmont	MD	3,468	3,468	0.1%	100.0%
Berwyn Heights	MD	3,325	3,325	0.1%	100.0%
Smithsburg	MD	3,194	3,194	0.1%	100.0%
Maugansville	MD	3,071	3,071	0.1%	100.0%
Melwood	MD	3,051	3,051	0.1%	100.0%
Springdale	MD	2,994	2,994	0.1%	100.0%
Andrews AFB	MD	2,973	2,973	0.1%	100.0%
St. James	MD	2,953	2,953	0.1%	100.0%
Chevy Chase	MD	2,927	2,927	0.1%	100.0%
Chevy Chase	MD	2,927	2,927	0.1%	100.0%
Emmitsburg	MD	2,920	2,920	0.1%	100.0%
Forest Heights	MD	2,639	2,639	0.1%	100.0%
Croom	MD	2,631	2,631	0.1%	100.0%
Braddock Heights	MD	2,608	2,608	0.1%	100.0%
Paramount-Long Meadow	MD	2,571	2,571	0.1%	100.0%
Potomac Park	MD	2,530	2,530	0.1%	100.0%
Konterra	MD	2,527	2,527	0.1%	100.0%
Dunkirk	MD	2,520	0	0.1%	0.0%
University Park	MD	2,431	2,431	0.1%	100.0%
Derwood	MD	2,381	2,381	0.1%	100.0%
Adamstown	MD	2,372	2,372	0.1%	100.0%
Wilson-Conococheague	MD	2,282	2,282	0.1%	100.0%
Cabin John	MD	2,280	2,280	0.1%	100.0%
Hughesville	MD	2,197	2,197	0.1%	100.0%
North Beach	MD	2,178	0	0.1%	0.0%
Kensington	MD	2,155	2,155	0.1%	100.0%
Baden	MD	2,128	2,128	0.1%	100.0%
Mountain Lake Park	MD	2,118	2,118	0.1%	100.0%
Jefferson	MD	2,111	2,111	0.1%	100.0%
Williamsport	MD	2,102	2,102	0.1%	100.0%
Chevy Chase Village	MD	2,071	2,071	0.1%	100.0%
Fulton	MD	2,049	2,049	0.1%	100.0%
Queenland	MD	1,929	1,929	0.1%	100.0%
Myersville	MD	1,865	1,865	0.1%	100.0%
Oakland	MD	1,813	1,813	0.1%	100.0%
Landover Hills	MD	1,799	1,799	0.1%	100.0%
Westernport	MD	1,769	1,769	0.1%	100.0%
New Market	MD	1,609	1,609	0.1%	100.0%
Edmonston	MD	1,609	1,609	0.1%	100.0%
Spencerville	MD	1,594	1,594	0.1%	100.0%
Colmar Manor	MD	1,586	1,586	0.1%	100.0%
Hancock	MD	1,570	1,570	0.1%	100.0%
Fairmount Heights	MD	1,522	1,522	0.1%	100.0%
Mechanicsville	MD	1,508	1,508	0.1%	100.0%
Cavetown	MD	1,473	1,473	0.1%	100.0%
Point of Rocks	MD	1,466	1,466	0.1%	100.0%
Bartonsville	MD	1,451	1,451	0.1%	100.0%
Charlotte Hall	MD	1,420	1,420	0.1%	100.0%
Cottage City	MD	1,322	1,322	0.1%	100.0%
Morningside	MD	1,235	1,235	0.1%	100.0%
Keedysville	MD	1,229	1,229	0.1%	100.0%
Somerset	MD	1,203	1,203	0.1%	100.0%
Cobb Island	MD	1,166	1,166	0.1%	100.0%
Potomac Heights	MD	1,117	1,117	0.1%	100.0%
Woodsboro	MD	1,114	1,114	0.1%	100.0%
Highfield-Cascade	MD	1,112	1,112	0.1%	100.0%
Bowling Green	MD	1,077	1,077	0.0%	100.0%
Highland	MD	1,034	1,034	0.0%	100.0%
Buckeystown	MD	1,019	1,019	0.0%	100.0%
Chevy Chase View	MD	1,017	1,017	0.0%	100.0%
Garrett Park	MD	1,004	1,004	0.0%	100.0%
Lonaconing	MD	987	987	0.0%	100.0%
Aquasco	MD	981	981	0.0%	100.0%
Grantsville	MD	951	951	0.0%	100.0%
Martin's Additions	MD	950	950	0.0%	100.0%
Libertytown	MD	950	950	0.0%	100.0%
Eckhart Mines	MD	932	932	0.0%	100.0%
Mount Savage	MD	873	873	0.0%	100.0%
Piney Point	MD	864	864	0.0%	100.0%
Funkstown	MD	858	858	0.0%	100.0%
Chevy Chase Section Three	MD	802	802	0.0%	100.0%
Upper Marlboro	MD	718	718	0.0%	100.0%
Cedarville	MD	717	717	0.0%	100.0%
Rawlings	MD	693	693	0.0%	100.0%
North Chevy Chase	MD	691	691	0.0%	100.0%
Chevy Chase Section Five	MD	684	684	0.0%	100.0%
Bryantown	MD	655	655	0.0%	100.0%
Bowmans Addition	MD	627	627	0.0%	100.0%
North Brentwood	MD	587	587	0.0%	100.0%
Laytonsville	MD	586	586	0.0%	100.0%
Fairplay	MD	580	580	0.0%	100.0%
Leitersburg	MD	573	573	0.0%	100.0%
Ellerslie	MD	572	572	0.0%	100.0%
Mount Aetna	MD	561	561	0.0%	100.0%
Sharpsburg	MD	561	561	0.0%	100.0%
Finzel	MD	547	547	0.0%	100.0%
Pomfret	MD	517	517	0.0%	100.0%
Mount Lena	MD	515	515	0.0%	100.0%
Washington Grove	MD	512	512	0.0%	100.0%
McCoole	MD	511	511	0.0%	100.0%
Loch Lynn Heights	MD	483	483	0.0%	100.0%
Midland	MD	476	476	0.0%	100.0%
Tilghmanton	MD	465	465	0.0%	100.0%
Tall Timbers	MD	462	462	0.0%	100.0%
Barton	MD	457	457	0.0%	100.0%
Corriganville	MD	455	455	0.0%	100.0%
Pinesburg	MD	449	449	0.0%	100.0%
Friendsville	MD	427	427	0.0%	100.0%
Monrovia	MD	416	416	0.0%	100.0%
San Mar	MD	384	384	0.0%	100.0%
Clear Spring	MD	375	375	0.0%	100.0%
Grahamtown	MD	364	364	0.0%	100.0%
Zihlman	MD	362	362	0.0%	100.0%
Downsville	MD	355	355	0.0%	100.0%
Sabillasville	MD	354	354	0.0%	100.0%
Pleasant Grove	MD	353	353	0.0%	100.0%
Bagtown	MD	333	333	0.0%	100.0%
Accident	MD	332	332	0.0%	100.0%
Midlothian	MD	320	320	0.0%	100.0%
Fort Ritchie	MD	314	314	0.0%	100.0%
Bloomington	MD	305	305	0.0%	100.0%
Deer Park	MD	300	300	0.0%	100.0%
Franklin	MD	290	290	0.0%	100.0%
Kitzmiller	MD	288	288	0.0%	100.0%
Glen Echo	MD	285	285	0.0%	100.0%
Danville	MD	271	271	0.0%	100.0%
Rosemont	MD	269	269	0.0%	100.0%
Crellin	MD	264	264	0.0%	100.0%
Benedict	MD	261	261	0.0%	100.0%
St. George Island	MD	257	257	0.0%	100.0%
Breathedsville	MD	254	254	0.0%	100.0%
Beaver Creek	MD	251	251	0.0%	100.0%
Moscow	MD	240	240	0.0%	100.0%
Chewsville	MD	238	238	0.0%	100.0%
Mapleville	MD	238	238	0.0%	100.0%
Shaft	MD	235	235	0.0%	100.0%
Garretts Mill	MD	234	234	0.0%	100.0%
Edgemont	MD	231	231	0.0%	100.0%
Greensburg	MD	229	229	0.0%	100.0%
Jugtown	MD	204	204	0.0%	100.0%
Queen Anne	MD	192	192	0.0%	100.0%
Sandy Hook	MD	188	188	0.0%	100.0%
Cearfoss	MD	178	178	0.0%	100.0%
Flintstone	MD	177	177	0.0%	100.0%
Rohrersville	MD	175	175	0.0%	100.0%
Bier	MD	173	173	0.0%	100.0%
Trego-Rohrersville Station	MD	172	172	0.0%	100.0%
Charlton	MD	171	171	0.0%	100.0%
Brookeville	MD	168	168	0.0%	100.0%
Pecktonville	MD	167	167	0.0%	100.0%
Ringgold	MD	166	166	0.0%	100.0%
Dargan	MD	165	165	0.0%	100.0%
Mount Briar	MD	160	160	0.0%	100.0%
Pondsville	MD	158	158	0.0%	100.0%
Carlos	MD	153	153	0.0%	100.0%
Burkittsville	MD	145	145	0.0%	100.0%
Barnesville	MD	145	145	0.0%	100.0%
Vale Summit	MD	139	139	0.0%	100.0%
Yarrowsburg	MD	133	133	0.0%	100.0%
Mercersville	MD	130	130	0.0%	100.0%
Gilmore	MD	127	127	0.0%	100.0%
Kemps Mill	MD	126	126	0.0%	100.0%
Klondike	MD	118	118	0.0%	100.0%
Nikep	MD	116	116	0.0%	100.0%
Woodland	MD	113	113	0.0%	100.0%
Jennings	MD	113	113	0.0%	100.0%
Gapland	MD	109	109	0.0%	100.0%
Rock Point	MD	107	107	0.0%	100.0%
Gorman	MD	106	106	0.0%	100.0%
Dawson	MD	103	103	0.0%	100.0%
Brownsville	MD	89	89	0.0%	100.0%
Antietam	MD	89	89	0.0%	100.0%
Oldtown	MD	86	86	0.0%	100.0%
Hutton	MD	86	86	0.0%	100.0%
Big Spring	MD	84	84	0.0%	100.0%
Luke	MD	84	84	0.0%	100.0%
Big Pool	MD	82	82	0.0%	100.0%
Fairview	MD	76	76	0.0%	100.0%
Barrelville	MD	73	73	0.0%	100.0%
Clarysville	MD	73	73	0.0%	100.0%
Detmold	MD	71	71	0.0%	100.0%
Middleburg	MD	70	70	0.0%	100.0%
Eagle Harbor	MD	67	67	0.0%	100.0%
Indian Springs	MD	64	64	0.0%	100.0%
Swanton	MD	58	58	0.0%	100.0%
National	MD	56	56	0.0%	100.0%
Ernstville	MD	56	56	0.0%	100.0%
Spring Gap	MD	55	55	0.0%	100.0%
Reid	MD	54	54	0.0%	100.0%
Little Orleans	MD	42	42	0.0%	100.0%
Ocean	MD	32	32	0.0%	100.0%
Bakersville	MD	30	30	0.0%	100.0%
Eakles Mill	MD	27	27	0.0%	100.0%
Port Tobacco Village	MD	21	21	0.0%	100.0%

City population is shown in full; each city's share inside 240 is measured from Census tract centroids.

What counties does area code 240 cover?

County	State	Population in 240	% of area-code footprint	% of County
Montgomery County	MD	1,062,061	36%	100%
Prince George's County	MD	967,201	33%	100%
Frederick County	MD	268,694	9%	99%
Charles County	MD	166,617	6%	100%
Washington County	MD	154,705	5%	100%
St. Mary's County	MD	113,777	4%	100%
Howard County	MD	89,914	3%	27%
Allegany County	MD	68,106	2%	100%
Garrett County	MD	28,806	1%	100%
Anne Arundel County	MD	19,157	1%	3%
Carroll County	MD	10,782	0%	6%
Berkeley County	WV	6,962	0%	6%

Sources:

Census PEP Vintage 2024 (city populations)
· 2020 Census tract centroids with NANP and TIGERweb boundaries (footprint, counties, city shares)
· NANPA NPA and CO Code reports (dates, prefixes)
· Methodology

Has area code 240 been reported for unwanted calls?

Yes – 2,129 FTC complaints, May 29 – Oct 1, 2026.

53% robocalls
↑ 7% vs prior period
FTC data, retrieved 2026-10-05

Most-reported subjects

Other40%859
Reducing your debt (credit cards, mortgage, student loans)14%300
Calls pretending to be government, businesses, or family and friends14%289

Caller ID is easily spoofed, so these figures reflect the number shown on caller ID, not the caller's true location – an area code alone never identifies a caller. The FTC does not verify the facts in these complaints.

Which prefixes and exchanges belong to area code 240?

78% assigned to a telco

72% Landline
28% Wireless
0% Unknown

Prefix	Usage	Carrier

(240)200-	Landline	Bandwidth.Com Clec
(240)201-	Landline	Peerless Network Of Maryland
(240)202-	Landline	Onvoy
(240)203-	Wireless	Sprint Spectrum
(240)204-	Wireless	Verizon Wireless
(240)205-	Wireless	New Cingular Wireless Pcs
(240)206-	Landline	Mcimetro Access Transmission Services
(240)207-	Landline	Cavalier East
(240)208-	Landline	Peerless Network Of Maryland
(240)209-	Landline	Peerless Network Of Maryland
(240)210-	Wireless	New Cingular Wireless Pcs
(240)212-	Landline	Core Communications
(240)213-	Landline	Peerless Network Of Maryland
(240)214-	Landline	Peerless Network Of Maryland
(240)215-	Landline	Level 3 Communications
(240)216-	Wireless	Sprint Spectrum
(240)217-	Landline	Omnipoint Communications Cap Operations
(240)218-	Landline	Peerless Network Of Maryland
(240)219-	Landline	Peerless Network Of Maryland
(240)220-	Landline	Peerless Network Of Maryland
(240)221-	Landline	Verizon Maryland
(240)222-	Landline	Cavalier Telephone Mid-Atlantic
(240)223-	Landline	Mcimetro Access Transmission Services
(240)224-	Wireless	Verizon Wireless
(240)225-	Landline	Core Communications
(240)226-	Landline	Onvoy
(240)228-	Landline	Verizon Maryland
(240)229-	Landline	Level 3 Communications
(240)230-	Landline	Global Crossing Local Services
(240)231-	Landline	Core Communications
(240)232-	Landline	Level 3 Communications
(240)233-	Landline	Teleport Communications America
(240)234-	Wireless	Verizon Wireless
(240)235-	Landline	Paetec Communications
(240)236-	Landline	Verizon Maryland
(240)237-	Landline	Teleport Communications America
(240)238-	Landline	Paetec Communications
(240)239-	Landline	Core Communications
(240)240-	Landline	Fractel
(240)241-	Landline	Starpower Communications
(240)242-	Landline	Starpower Communications
(240)243-	Landline	Mcimetro Access Transmission Services
(240)244-	Landline	Starpower Communications
(240)245-	Landline	Starpower Communications
(240)246-	Landline	Starpower Communications
(240)247-	Landline	Mcimetro Access Transmission Services
(240)248-	Landline	Peerless Network Of Maryland
(240)249-	Landline	Teleport Communications America
(240)250-	Landline	Peerless Network Of Maryland
(240)251-	Landline	Core Communications
(240)252-	Landline	Level 3 Communications
(240)253-	Landline	Global Crossing Local Services
(240)254-	Landline	Teleport Communications America
(240)255-	Landline	Peerless Network Of Maryland
(240)256-	Landline	Teleport Communications America
(240)257-	Landline	Teleport Communications America
(240)258-	Landline	Teleport Communications America
(240)259-	Landline	Onvoy Spectrum
(240)260-	Landline	Mcimetro Access Transmission Services
(240)261-	Landline	Onvoy
(240)262-	Wireless	Sprint Spectrum
(240)263-	Wireless	Sprint Spectrum
(240)264-	Landline	Verizon Maryland
(240)265-	Wireless	Sprint Spectrum
(240)266-	Landline	Peerless Network Of Maryland
(240)267-	Wireless	Verizon Wireless
(240)268-	Landline	Mcimetro Access Transmission Services
(240)269-	Landline	Peerless Network Of Maryland
(240)270-	Wireless	Verizon Wireless
(240)271-	Wireless	New Cingular Wireless Pcs
(240)272-	Wireless	Sprint Spectrum
(240)273-	Landline	Level 3 Communications
(240)274-	Wireless	New Cingular Wireless Pcs
(240)275-	Landline	Core Communications
(240)276-	Landline	Verizon Maryland
(240)277-	Wireless	Sprint Spectrum
(240)278-	Wireless	Verizon Wireless
(240)279-	Landline	Core Communications
(240)280-	Landline	Comcast Ip Phone
(240)281-	Wireless	New Cingular Wireless Pcs
(240)282-	Landline	Peerless Network Of Maryland
(240)283-	Landline	Paetec Communications
(240)284-	Landline	Level 3 Communications
(240)285-	Wireless	Verizon Wireless
(240)286-	Wireless	Sprint Spectrum
(240)287-	Landline	Core Communications
(240)288-	Landline	Comcast Ip Phone
(240)289-	Landline	Cavalier Telephone Mid-Atlantic
(240)290-	Landline	Mcimetro Access Transmission Services
(240)291-	Wireless	New Cingular Wireless Pcs
(240)292-	Landline	Verizon Maryland
(240)293-	Landline	Starpower Communications
(240)294-	Landline	Mcimetro Access Transmission Services
(240)295-	Landline	Cavalier Telephone Mid-Atlantic
(240)296-	Landline	Cavalier Telephone Mid-Atlantic
(240)297-	Landline	Level 3 Communications
(240)298-	Wireless	Verizon Wireless
(240)299-	Wireless	Sprint Spectrum
(240)300-	Wireless	Verizon Wireless
(240)301-	Landline	Onvoy
(240)302-	Wireless	New Cingular Wireless Pcs
(240)303-	Landline	Cavalier Telephone Mid-Atlantic
(240)304-	Wireless	Sprint Spectrum
(240)305-	Wireless	Sprint Spectrum
(240)306-	Landline	Mcimetro Access Transmission Services
(240)307-	Landline	At&T
(240)308-	Wireless	New Cingular Wireless Pcs
(240)309-	Wireless	Verizon Wireless
(240)310-	Landline	United States Cel Md
(240)312-	Landline	Cavalier Telephone Mid-Atlantic
(240)313-	Landline	Verizon Maryland
(240)314-	Landline	Verizon Maryland
(240)315-	Landline	Verizon Maryland
(240)316-	Wireless	Sprint Spectrum
(240)317-	Landline	Starpower Communications
(240)318-	Landline	Verizon Maryland
(240)319-	Wireless	Verizon Wireless
(240)320-	Landline	Cavalier East
(240)321-	Landline	United States Cel Md
(240)322-	Landline	Core Communications
(240)323-	Landline	Core Communications
(240)324-	Landline	Ymax Communications
(240)325-	Landline	Core Communications
(240)326-	Landline	Cavalier Telephone Mid-Atlantic
(240)327-	Landline	Core Communications
(240)328-	Landline	Verizon Maryland
(240)329-	Landline	Level 3 Communications
(240)330-	Wireless	Sprint Spectrum
(240)331-	Landline	Peerless Network Of Maryland
(240)332-	Landline	Peerless Network Of Maryland
(240)333-	Landline	Cavalier East
(240)334-	Landline	Global Crossing Local Services
(240)335-	Landline	Cavalier Telephone Mid-Atlantic
(240)336-	Landline	Core Communications
(240)337-	Landline	Onvoy
(240)338-	Wireless	Verizon Wireless
(240)339-	Landline	Cavalier East
(240)340-	Wireless	Sprint Spectrum
(240)341-	Landline	Mcimetro Access Transmission Services
(240)342-	Landline	Starpower Communications
(240)343-	Wireless	Verizon Wireless
(240)344-	Wireless	New Cingular Wireless Pcs
(240)345-	Landline	Level 3 Communications
(240)346-	Wireless	Sprint Spectrum
(240)347-	Landline	Bandwidth.Com Clec
(240)348-	Landline	Level 3 Communications
(240)349-	Landline	Global Crossing Local Services
(240)350-	Wireless	Sprint Spectrum
(240)351-	Wireless	Sprint Spectrum
(240)352-	Landline	Peerless Network Of Maryland
(240)353-	Wireless	Sprint Spectrum
(240)354-	Wireless	Sprint Spectrum
(240)355-	Wireless	Sprint Spectrum
(240)356-	Landline	Level 3 Communications
(240)357-	Wireless	Verizon Wireless
(240)358-	Landline	Peerless Network Of Maryland
(240)359-	Landline	Peerless Network Of Maryland
(240)360-	Landline	Omnipoint Communications Cap Operations
(240)361-	Landline	Cavalier Telephone Mid-Atlantic
(240)362-	Landline	Verizon Maryland
(240)363-	Landline	Onvoy
(240)364-	Landline	Cavalier East
(240)365-	Landline	Baltimore-Washington Telephone (Bwt)
(240)366-	Landline	At&T
(240)367-	Wireless	Sprint Spectrum
(240)368-	Landline	Peerless Network Of Maryland
(240)369-	Landline	Core Communications
(240)370-	Wireless	Sprint Spectrum
(240)371-	Landline	Peerless Network Of Maryland
(240)372-	Wireless	Sprint Spectrum
(240)373-	Landline	Verizon Maryland
(240)374-	Landline	Global Crossing Local Services
(240)375-	Wireless	Sprint Spectrum
(240)376-	Landline	Peerless Network Of Maryland
(240)377-	Landline	Global Crossing Local Services
(240)378-	Landline	Core Communications
(240)379-	Landline	Verizon Maryland
(240)380-	Wireless	Verizon Wireless
(240)381-	Wireless	New Cingular Wireless Pcs
(240)382-	Landline	Teleport Communications America
(240)383-	Wireless	New Cingular Wireless Pcs
(240)384-	Landline	Peerless Network Of Maryland
(240)385-	Landline	Verizon Maryland
(240)386-	Landline	Verizon Maryland
(240)387-	Landline	Cavalier East
(240)388-	Wireless	Sprint Spectrum
(240)389-	Landline	Atx Communications Services, Ltd.
(240)390-	Landline	Cavalier Telephone Mid-Atlantic
(240)391-	Landline	Global Crossing Local Services
(240)392-	Landline	Starpower Communications
(240)393-	Wireless	Verizon Wireless
(240)394-	Wireless	New Cingular Wireless Pcs
(240)395-	Landline	Cavalier Telephone Mid-Atlantic
(240)396-	Landline	Global Crossing Local Services
(240)397-	Wireless	Verizon Wireless
(240)398-	Wireless	Sprint Spectrum
(240)399-	Landline	Mcimetro Access Transmission Services
(240)400-	Wireless	Sprint Spectrum
(240)401-	Wireless	New Cingular Wireless Pcs
(240)402-	Landline	Mcimetro Access Transmission Services
(240)403-	Landline	Cavalier Telephone Mid-Atlantic
(240)404-	Landline	Mcimetro Access Transmission Services
(240)405-	Landline	Us Lec Of Maryland
(240)406-	Wireless	New Cingular Wireless Pcs
(240)407-	Landline	Global Crossing Local Services
(240)408-	Wireless	New Cingular Wireless Pcs
(240)409-	Wireless	New Cingular Wireless Pcs
(240)410-	Landline	Omnipoint Communications Cap Operations
(240)412-	Wireless	Sprint Spectrum
(240)413-	Landline	Omnipoint Communications Cap Operations
(240)414-	Landline	Peerless Network Of Maryland
(240)415-	Landline	Ymax Communications
(240)416-	Wireless	New Cingular Wireless Pcs
(240)417-	Wireless	Sprint Spectrum
(240)418-	Wireless	Sprint Spectrum
(240)419-	Wireless	Verizon Wireless
(240)420-	Landline	Verizon Maryland
(240)421-	Landline	Omnipoint Communications Cap Operations
(240)422-	Landline	Omnipoint Communications Cap Operations
(240)423-	Landline	Omnipoint Communications Cap Operations
(240)424-	Wireless	Sprint Spectrum
(240)425-	Landline	Omnipoint Communications Cap Operations
(240)426-	Wireless	Sprint Spectrum
(240)427-	Landline	Mcimetro Access Transmission Services
(240)428-	Landline	Bandwidth.Com Clec
(240)429-	Wireless	Verizon Wireless
(240)430-	Landline	Cavalier Telephone Mid-Atlantic
(240)431-	Wireless	Sprint Spectrum
(240)432-	Wireless	Sprint Spectrum
(240)433-	Landline	Cavalier Telephone Mid-Atlantic
(240)434-	Landline	Level 3 Communications
(240)435-	Wireless	Verizon Wireless
(240)436-	Landline	Level 3 Communications
(240)437-	Landline	Mcimetro Access Transmission Services
(240)438-	Wireless	Sprint Spectrum
(240)439-	Wireless	Verizon Wireless
(240)440-	Wireless	New Cingular Wireless Pcs
(240)441-	Landline	Omnipoint Communications Cap Operations
(240)442-	Landline	Verizon Maryland
(240)443-	Landline	Onvoy
(240)444-	Wireless	Verizon Wireless
(240)445-	Wireless	Sprint Spectrum
(240)446-	Wireless	Verizon Wireless
(240)447-	Wireless	New Cingular Wireless Pcs
(240)448-	Wireless	Sprint Spectrum
(240)449-	Wireless	New Cingular Wireless Pcs
(240)450-	Landline	Cavalier Telephone Mid-Atlantic
(240)451-	Landline	Onvoy
(240)452-	Landline	Lumos Networks
(240)453-	Landline	Verizon Maryland
(240)454-	Landline	Paetec Communications
(240)455-	Landline	Paetec Communications
(240)456-	Landline	Verizon Maryland
(240)457-	Wireless	Verizon Wireless
(240)458-	Wireless	Verizon Wireless
(240)459-	Wireless	Verizon Wireless
(240)460-	Wireless	New Cingular Wireless Pcs
(240)461-	Wireless	New Cingular Wireless Pcs
(240)462-	Wireless	Sprint Spectrum
(240)463-	Wireless	New Cingular Wireless Pcs
(240)464-	Wireless	Sprint Spectrum
(240)465-	Landline	Peerless Network Of Maryland
(240)466-	Wireless	New Cingular Wireless Pcs
(240)467-	Landline	Comcast Ip Phone
(240)468-	Wireless	Sprint Spectrum
(240)469-	Wireless	Sprint Spectrum
(240)470-	Wireless	Verizon Wireless
(240)471-	Landline	Global Crossing Local Services
(240)472-	Wireless	New Cingular Wireless Pcs
(240)473-	Landline	Cavalier Telephone Mid-Atlantic
(240)474-	Landline	Baltimore-Washington Telephone (Bwt)
(240)475-	Wireless	New Cingular Wireless Pcs
(240)476-	Landline	Omnipoint Communications Cap Operations
(240)477-	Landline	Lightwave Communications
(240)478-	Wireless	New Cingular Wireless Pcs
(240)479-	Wireless	Verizon Wireless
(240)480-	Wireless	Sprint Spectrum
(240)481-	Landline	Omnipoint Communications Cap Operations
(240)482-	Landline	Us Lec Of Maryland
(240)483-	Landline	Comcast Ip Phone
(240)484-	Wireless	New Cingular Wireless Pcs
(240)485-	Landline	Us Lec Of Maryland
(240)486-	Landline	Omnipoint Communications Cap Operations
(240)487-	Landline	Us Lec Of Maryland
(240)488-	Landline	Shentel Communications
(240)489-	Landline	Mcimetro Access Transmission Services
(240)490-	Landline	Omnipoint Communications Cap Operations
(240)491-	Landline	Global Crossing Local Services
(240)492-	Landline	Us Lec Of Maryland
(240)493-	Landline	Us Lec Of Maryland
(240)494-	Landline	Cavalier East
(240)495-	Wireless	Verizon Wireless
(240)496-	Wireless	Verizon Wireless
(240)497-	Landline	Verizon Maryland
(240)498-	Wireless	Sprint Spectrum
(240)499-	Landline	Us Lec Of Maryland
(240)500-	Landline	Us Lec Of Maryland
(240)501-	Wireless	Sprint Spectrum
(240)502-	Wireless	Sprint Spectrum
(240)503-	Landline	Peerless Network Of Maryland
(240)504-	Wireless	Sprint Spectrum
(240)505-	Landline	Omnipoint Communications Cap Operations
(240)506-	Wireless	New Cingular Wireless Pcs
(240)507-	Wireless	Verizon Wireless
(240)508-	Wireless	Sprint Spectrum
(240)509-	Landline	Bandwidth.Com Clec
(240)510-	Landline	Mcimetro Access Transmission Services
(240)512-	Landline	Core Communications
(240)513-	Wireless	Sprint Spectrum
(240)514-	Landline	Us Lec Of Maryland
(240)515-	Wireless	New Cingular Wireless Pcs
(240)516-	Landline	Us Lec Of Maryland
(240)517-	Wireless	Verizon Wireless
(240)518-	Landline	Nuso
(240)519-	Wireless	Sprint Spectrum
(240)520-	Wireless	Sprint Spectrum
(240)521-	Wireless	New Cingular Wireless Pcs
(240)522-	Wireless	Sprint Spectrum
(240)523-	Landline	Mcimetro Access Transmission Services
(240)524-	Landline	Peerless Network Of Maryland
(240)525-	Landline	Peerless Network Of Maryland
(240)526-	Landline	Peerless Network Of Maryland
(240)527-	Landline	Verizon Maryland
(240)528-	Landline	Level 3 Communications
(240)529-	Landline	Verizon Maryland
(240)530-	Landline	Local Access
(240)531-	Landline	Telnyx
(240)532-	Wireless	Verizon Wireless
(240)533-	Landline	Teleport Communications America
(240)534-	Wireless	Verizon Wireless
(240)535-	Wireless	New Cingular Wireless Pcs
(240)536-	Landline	Peerless Network Of Maryland
(240)537-	Landline	Atlantech Online
(240)538-	Landline	Mcimetro Access Transmission Services
(240)539-	Landline	Peerless Network Of Maryland
(240)540-	Landline	Wide Voice
(240)541-	Wireless	Sprint Spectrum
(240)542-	Landline	Us Lec Of Maryland
(240)543-	Wireless	Sprint Spectrum
(240)544-	Landline	Us Lec Of Maryland
(240)545-	Landline	Us Lec Of Maryland
(240)546-	Landline	Us Lec Of Maryland
(240)547-	Landline	Level 3 Communications
(240)548-	Landline	Core Communications
(240)549-	Wireless	Verizon Wireless
(240)550-	Wireless	New Cingular Wireless Pcs
(240)551-	Wireless	New Cingular Wireless Pcs
(240)552-	Wireless	New Cingular Wireless Pcs
(240)553-	Landline	Mcimetro Access Transmission Services
(240)554-	Landline	Mcimetro Access Transmission Services
(240)556-	Landline	Paetec Communications
(240)557-	Landline	Omnipoint Communications Cap Operations
(240)558-	Landline	Cavalier Telephone Mid-Atlantic
(240)559-	Landline	Mcimetro Access Transmission Services
(240)560-	Landline	Mcimetro Access Transmission Services
(240)561-	Wireless	Verizon Wireless
(240)562-	Landline	Mcimetro Access Transmission Services
(240)563-	Landline	Onvoy
(240)564-	Landline	Omnipoint Communications Cap Operations
(240)565-	Landline	Omnipoint Communications Cap Operations
(240)566-	Landline	Verizon Maryland
(240)567-	Landline	Verizon Maryland
(240)568-	Landline	Verizon Maryland
(240)569-	Landline	Bandwidth.Com Clec
(240)570-	Landline	Onvoy
(240)571-	Wireless	Verizon Wireless
(240)572-	Wireless	Verizon Wireless
(240)573-	Landline	Global Crossing Local Services
(240)574-	Wireless	New Cingular Wireless Pcs
(240)575-	Landline	Level 3 Communications
(240)576-	Landline	Vonage America
(240)577-	Wireless	Verizon Wireless
(240)578-	Wireless	Verizon Wireless
(240)579-	Landline	Omnipoint Communications Cap Operations
(240)580-	Wireless	Sprint Spectrum
(240)581-	Landline	Paetec Communications
(240)582-	Landline	Verizon Maryland
(240)583-	Landline	Verizon Maryland
(240)584-	Landline	Omnipoint Communications Cap Operations
(240)585-	Wireless	Verizon Wireless
(240)586-	Landline	Verizon Maryland
(240)587-	Wireless	Verizon Wireless
(240)588-	Landline	Mcimetro Access Transmission Services
(240)589-	Wireless	New Cingular Wireless Pcs
(240)590-	Landline	Metropcs
(240)591-	Landline	Shentel Communications
(240)592-	Landline	Verizon Maryland
(240)593-	Landline	Omnipoint Communications Cap Operations
(240)594-	Landline	Bandwidth.Com Clec
(240)595-	Wireless	Verizon Wireless
(240)596-	Landline	Core Communications
(240)597-	Landline	Peerless Network Of Maryland
(240)598-	Landline	Core Communications
(240)599-	Landline	Level 3 Communications
(240)600-	Wireless	Sprint Spectrum
(240)601-	Wireless	Sprint Spectrum
(240)602-	Wireless	Sprint Spectrum
(240)603-	Wireless	Sprint Spectrum
(240)604-	Wireless	Sprint Spectrum
(240)605-	Wireless	Sprint Spectrum
(240)606-	Wireless	Sprint Spectrum
(240)607-	Landline	Global Crossing Local Services
(240)608-	Landline	Nuso
(240)609-	Wireless	New Cingular Wireless Pcs
(240)610-	Landline	Core Communications
(240)612-	Landline	Level 3 Telecom Of Maryland
(240)613-	Landline	Us Lec Of Maryland
(240)614-	Landline	Metropcs
(240)615-	Landline	Metropcs
(240)616-	Landline	Mcimetro Access Transmission Services
(240)617-	Landline	Bandwidth.Com Clec
(240)618-	Wireless	Verizon Wireless
(240)619-	Landline	Comcast Ip Phone
(240)620-	Landline	Mcimetro Access Transmission Services
(240)621-	Landline	Bandwidth.Com Clec
(240)622-	Landline	Core Communications
(240)623-	Landline	Bandwidth.Com Clec
(240)624-	Landline	Verizon Maryland
(240)625-	Wireless	Sprint Spectrum
(240)626-	Wireless	Sprint Spectrum
(240)627-	Landline	Global Crossing Local Services
(240)628-	Landline	Core Communications
(240)629-	Landline	Verizon Maryland
(240)630-	Landline	Bandwidth.Com Clec
(240)631-	Landline	Verizon Maryland
(240)632-	Landline	Verizon Maryland
(240)633-	Landline	Baltimore-Washington Telephone (Bwt)
(240)634-	Landline	Core Communications
(240)635-	Landline	Core Communications
(240)636-	Landline	Omnipoint Communications Cap Operations
(240)637-	Landline	Core Communications
(240)638-	Landline	Level 3 Communications
(240)639-	Landline	Core Communications
(240)640-	Wireless	New Cingular Wireless Pcs
(240)641-	Landline	Peerless Network Of Maryland
(240)642-	Landline	Advanced Telecom Solutions
(240)643-	Landline	Omnipoint Communications Cap Operations
(240)644-	Landline	Mcimetro Access Transmission Services
(240)645-	Landline	Mcimetro Access Transmission Services
(240)646-	Landline	Cavalier East
(240)647-	Landline	Core Communications
(240)648-	Landline	Core Communications
(240)649-	Landline	Core Communications
(240)650-	Landline	Onvoy
(240)651-	Wireless	Verizon Wireless
(240)652-	Landline	Mcimetro Access Transmission Services
(240)653-	Landline	Peerless Network Of Maryland
(240)654-	Wireless	New Cingular Wireless Pcs
(240)655-	Landline	Onvoy
(240)656-	Wireless	New Cingular Wireless Pcs
(240)657-	Landline	Mcimetro Access Transmission Services
(240)658-	Landline	Vonage America
(240)659-	Landline	Omnipoint Communications Cap Operations
(240)660-	Wireless	Verizon Wireless
(240)661-	Landline	Baltimore-Washington Telephone (Bwt)
(240)662-	Landline	Verizon Maryland
(240)663-	Landline	Omnipoint Communications Cap Operations
(240)664-	Landline	Peerless Network Of Maryland
(240)665-	Landline	Omnipoint Communications Cap Operations
(240)666-	Landline	Onvoy
(240)667-	Landline	Global Crossing Local Services
(240)668-	Landline	Starpower Communications
(240)669-	Landline	Comcast Ip Phone
(240)670-	Landline	Local Access
(240)671-	Wireless	Sprint Spectrum
(240)672-	Wireless	Verizon Wireless
(240)673-	Landline	Bandwidth.Com Clec
(240)674-	Wireless	Sprint Spectrum
(240)675-	Wireless	New Cingular Wireless Pcs
(240)676-	Wireless	Verizon Wireless
(240)677-	Landline	Mcimetro Access Transmission Services
(240)678-	Wireless	Verizon Wireless
(240)679-	Landline	Core Communications
(240)680-	Landline	Peerless Network Of Maryland
(240)681-	Landline	Atx Communications Services, Ltd.
(240)682-	Landline	Starpower Communications
(240)683-	Landline	Verizon Maryland
(240)684-	Landline	Verizon Maryland
(240)685-	Landline	Global Crossing Local Services
(240)686-	Landline	Verizon Maryland
(240)687-	Wireless	Verizon Wireless
(240)688-	Wireless	Verizon Wireless
(240)689-	Wireless	Csc Wireless
(240)690-	Landline	Teleport Communications America
(240)691-	Landline	Global Crossing Local Services
(240)692-	Landline	Level 3 Communications
(240)693-	Landline	Peerless Network Of Maryland
(240)694-	Landline	Verizon Maryland
(240)695-	Landline	Verizon Maryland
(240)696-	Landline	Level 3 Communications
(240)697-	Landline	Coretel Maryland
(240)698-	Landline	Omnipoint Communications Cap Operations
(240)699-	Landline	Verizon Maryland
(240)701-	Wireless	New Cingular Wireless Pcs
(240)702-	Wireless	Verizon Wireless
(240)703-	Landline	Omnipoint Communications Cap Operations
(240)704-	Wireless	New Cingular Wireless Pcs
(240)705-	Wireless	New Cingular Wireless Pcs
(240)706-	Wireless	New Cingular Wireless Pcs
(240)707-	Wireless	New Cingular Wireless Pcs
(240)708-	Landline	Level 3 Communications
(240)709-	Landline	Omnipoint Communications Cap Operations
(240)710-	Landline	Mcimetro Access Transmission Services
(240)712-	Wireless	Verizon Wireless
(240)713-	Landline	Peerless Network Of Maryland
(240)714-	Landline	Omnipoint Communications Cap Operations
(240)715-	Landline	Global Crossing Local Services
(240)716-	Landline	Omnipoint Communications Cap Operations
(240)717-	Landline	Onvoy Spectrum
(240)718-	Landline	Mcimetro Access Transmission Services
(240)719-	Wireless	Verizon Wireless
(240)720-	Landline	Global Crossing Local Services
(240)721-	Landline	Verizon Maryland
(240)722-	Landline	Global Crossing Local Services
(240)723-	Wireless	Verizon Wireless
(240)724-	Landline	Cavalier East
(240)725-	Landline	Verizon Maryland
(240)726-	Landline	Nuso
(240)727-	Wireless	New Cingular Wireless Pcs
(240)728-	Landline	Vonage America
(240)729-	Landline	Omnipoint Communications Cap Operations
(240)730-	Landline	Hd Carrier
(240)731-	Wireless	New Cingular Wireless Pcs
(240)732-	Wireless	New Cingular Wireless Pcs
(240)733-	Landline	Fractel
(240)734-	Landline	Bandwidth.Com Clec
(240)735-	Landline	Nuso
(240)736-	Wireless	New Cingular Wireless Pcs
(240)737-	Landline	Cavalier East
(240)738-	Wireless	Verizon Wireless
(240)739-	Landline	Ip Horizon
(240)740-	Landline	Atlantech Online
(240)741-	Landline	Airespring
(240)742-	Landline	Nuso
(240)743-	Landline	Local Access
(240)744-	Landline	Level 3 Communications
(240)745-	Landline	Mcimetro Access Transmission Services
(240)746-	Landline	At&T
(240)747-	Landline	Cavalier East
(240)748-	Landline	Teleport Communications America
(240)749-	Wireless	Verizon Wireless
(240)750-	Wireless	New Cingular Wireless Pcs
(240)751-	Landline	Level 3 Communications
(240)752-	Landline	Level 3 Communications
(240)753-	Landline	Level 3 Communications
(240)754-	Landline	Level 3 Communications
(240)755-	Landline	Comcast Ip Phone
(240)756-	Landline	Omnipoint Communications Cap Operations
(240)757-	Landline	Peerless Network Of Maryland
(240)758-	Wireless	New Cingular Wireless Pcs
(240)759-	Landline	Radiantiq
(240)760-	Wireless	Verizon Wireless
(240)761-	Wireless	New Cingular Wireless Pcs
(240)762-	Wireless	Verizon Wireless
(240)763-	Landline	Bandwidth.Com Clec
(240)764-	Landline	Mcimetro Access Transmission Services
(240)765-	Landline	Mcimetro Access Transmission Services
(240)766-	Landline	Mcimetro Access Transmission Services
(240)767-	Landline	Cavalier East
(240)768-	Landline	Onvoy Spectrum
(240)769-	Landline	Bandwidth.Com Clec
(240)770-	Landline	Comcast Ip Phone
(240)771-	Landline	Onvoy
(240)772-	Wireless	Verizon Wireless
(240)773-	Landline	Verizon Maryland
(240)774-	Landline	Bandwidth.Com Clec
(240)775-	Landline	Bandwidth.Com Clec
(240)776-	Landline	Level 3 Communications
(240)777-	Landline	Verizon Maryland
(240)778-	Landline	Mcimetro Access Transmission Services
(240)779-	Landline	Cavalier East
(240)780-	Landline	Level 3 Communications
(240)781-	Landline	Mcimetro Access Transmission Services
(240)782-	Landline	Global Crossing Local Services
(240)783-	Wireless	Mte Paging Network
(240)784-	Landline	Omnipoint Communications Cap Operations
(240)785-	Landline	Bandwidth.Com Clec
(240)786-	Landline	Level 3 Communications
(240)787-	Landline	Level 3 Communications
(240)788-	Landline	Level 3 Communications
(240)789-	Landline	Advanced Telecom Solutions
(240)790-	Landline	Level 3 Communications
(240)791-	Landline	Omnipoint Communications Cap Operations
(240)792-	Landline	Omnipoint Communications Cap Operations
(240)793-	Wireless	Sprint Spectrum
(240)794-	Landline	Level 3 Communications
(240)795-	Wireless	Verizon Wireless
(240)796-	Landline	Omnipoint Communications Cap Operations
(240)797-	Landline	Omnipoint Communications Cap Operations
(240)798-	Landline	Onvoy
(240)799-	Landline	Fractel
(240)800-	Landline	Core Communications
(240)801-	Wireless	Verizon Wireless
(240)802-	Landline	Nuso
(240)803-	Wireless	New Cingular Wireless Pcs
(240)804-	Landline	Xo Maryland
(240)805-	Wireless	Verizon Wireless
(240)806-	Landline	Peerless Network Of Maryland
(240)807-	Landline	United States Cel Md
(240)808-	Wireless	Verizon Wireless
(240)809-	Landline	Onvoy
(240)810-	Landline	Omnipoint Communications Cap Operations
(240)812-	Landline	Global Crossing Local Services
(240)813-	Landline	Atx Communications Services, Ltd.
(240)814-	Wireless	Verizon Wireless
(240)815-	Wireless	Verizon Wireless
(240)816-	Landline	Bandwidth.Com Clec
(240)817-	Landline	Omnipoint Communications Cap Operations
(240)818-	Landline	Verizon Maryland
(240)819-	Landline	Onvoy
(240)820-	Landline	Radiantiq
(240)821-	Landline	Lightwave Communications
(240)822-	Landline	Radiantiq
(240)823-	Landline	Mcimetro Access Transmission Services
(240)824-	Landline	Radiantiq
(240)825-	Wireless	Verizon Wireless
(240)826-	Landline	Verizon Maryland
(240)827-	Landline	Onvoy
(240)828-	Landline	Telnyx
(240)829-	Landline	Coretel Maryland
(240)830-	Landline	Comcast Ip Phone
(240)831-	Landline	Onvoy
(240)832-	Wireless	Sprint Spectrum
(240)833-	Landline	Mcimetro Access Transmission Services
(240)834-	Landline	Radiantiq
(240)835-	Landline	Onvoy Spectrum
(240)836-	Landline	Onvoy
(240)837-	Landline	Mcimetro Access Transmission Services
(240)838-	Landline	Omnipoint Communications Cap Operations
(240)839-	Wireless	Verizon Wireless
(240)840-	Landline	Onvoy Spectrum
(240)841-	Landline	Mcimetro Access Transmission Services
(240)842-	Landline	Mcimetro Access Transmission Services
(240)843-	Landline	Mcimetro Access Transmission Services
(240)844-	Landline	Xo Maryland
(240)845-	Landline	Mcimetro Access Transmission Services
(240)846-	Landline	Mcimetro Access Transmission Services
(240)847-	Landline	Onvoy
(240)848-	Wireless	Sprint Spectrum
(240)849-	Landline	Teleport Communications America
(240)850-	Landline	Peerless Network Of Maryland
(240)851-	Landline	Onvoy
(240)852-	Landline	Omnipoint Communications Cap Operations
(240)853-	Landline	Bandwidth.Com Clec
(240)854-	Landline	Omnipoint Communications Cap Operations
(240)855-	Wireless	Sprint Spectrum
(240)856-	Wireless	Verizon Wireless
(240)857-	Landline	Level 3 Telecom Of Maryland
(240)858-	Wireless	Verizon Wireless
(240)859-	Landline	Onvoy
(240)860-	Landline	Peerless Network Of Maryland
(240)861-	Landline	Omnipoint Communications Cap Operations
(240)862-	Landline	Onvoy
(240)863-	Landline	Level 3 Telecom Of Maryland
(240)864-	Landline	Cavalier East
(240)865-	Landline	Level 3 Communications
(240)866-	Landline	Terra Nova Telecom
(240)867-	Landline	Commio
(240)868-	Landline	Cavalier East
(240)869-	Landline	Omnipoint Communications Cap Operations
(240)870-	Landline	Onvoy
(240)871-	Landline	Omnipoint Communications Cap Operations
(240)872-	Landline	Omnipoint Communications Cap Operations
(240)873-	Landline	Onvoy
(240)874-	Landline	Onvoy
(240)875-	Landline	Onvoy
(240)876-	Wireless	Sprint Spectrum
(240)877-	Landline	Onvoy
(240)878-	Landline	Commio
(240)879-	Landline	Omnipoint Communications Cap Operations
(240)880-	Landline	Level 3 Communications
(240)881-	Landline	Bandwidth.Com Clec
(240)882-	Wireless	Sprint Spectrum
(240)883-	Landline	Level 3 Communications
(240)884-	Landline	Onvoy Spectrum
(240)885-	Landline	Onvoy
(240)886-	Landline	Omnipoint Communications Cap Operations
(240)887-	Landline	Omnipoint Communications Cap Operations
(240)888-	Wireless	New Cingular Wireless Pcs
(240)889-	Landline	Omnipoint Communications Cap Operations
(240)890-	Wireless	Verizon Wireless
(240)891-	Landline	Level 3 Communications
(240)892-	Landline	Level 3 Communications
(240)893-	Wireless	New Cingular Wireless Pcs
(240)894-	Wireless	Dish Wireless
(240)895-	Landline	Verizon Maryland
(240)896-	Wireless	Dish Wireless
(240)897-	Landline	Level 3 Communications
(240)898-	Landline	Level 3 Communications
(240)899-	Landline	Omnipoint Communications Cap Operations
(240)900-	Landline	Onvoy
(240)901-	Landline	Centurylink Communications
(240)902-	Landline	Twilio International
(240)903-	Landline	Comcast Ip Phone
(240)904-	Wireless	Verizon Wireless
(240)905-	Landline	Metropcs
(240)906-	Landline	Omnipoint Communications Cap Operations
(240)907-	Wireless	Verizon Wireless
(240)908-	Landline	Onvoy
(240)909-	Landline	Metropcs
(240)910-	Landline	Radiantiq
(240)912-	Landline	Us Lec Of Maryland
(240)913-	Landline	Onvoy
(240)914-	Wireless	Dish Wireless
(240)915-	Landline	Telnyx
(240)916-	Landline	Omnipoint Communications Cap Operations
(240)917-	Wireless	New Cingular Wireless Pcs
(240)918-	Landline	Omnipoint Communications Cap Operations
(240)919-	Landline	Omnipoint Communications Cap Operations
(240)920-	Landline	Level 3 Communications
(240)921-	Landline	Omnipoint Communications Cap Operations
(240)922-	Landline	Fractel
(240)923-	Landline	Omnipoint Communications Cap Operations
(240)924-	Landline	Bandwidth.Com Clec
(240)925-	Wireless	Verizon Wireless
(240)926-	Landline	Omnipoint Communications Cap Operations
(240)927-	Landline	Omnipoint Communications Cap Operations
(240)928-	Wireless	New Cingular Wireless Pcs
(240)929-	Landline	Cavalier East
(240)930-	Wireless	Verizon Wireless
(240)931-	Landline	Nuso
(240)932-	Landline	Bandwidth.Com Clec
(240)933-	Landline	Ton80 Communications
(240)934-	Landline	Ton80 Communications
(240)935-	Wireless	Verizon Wireless
(240)936-	Landline	Omnipoint Communications Cap Operations
(240)937-	Landline	Bandwidth.Com Clec
(240)938-	Landline	Omnipoint Communications Cap Operations
(240)939-	Landline	Bandwidth.Com Clec
(240)940-	Landline	Bandwidth.Com Clec
(240)941-	Landline	Bandwidth.Com Clec
(240)942-	Landline	Radiantiq
(240)943-	Landline	Comcast Ip Phone
(240)944-	Landline	Radiantiq
(240)945-	Landline	Onvoy
(240)946-	Landline	Fractel
(240)947-	Wireless	New Cingular Wireless Pcs
(240)948-	Landline	Bandwidth.Com Clec
(240)949-	Landline	Cavalier East
(240)951-	Landline	Teleport Communications America
(240)952-	Landline	Teleport Communications America
(240)953-	Landline	Teleport Communications America
(240)954-	Landline	Teleport Communications America
(240)955-	Landline	Bandwidth.Com Clec
(240)956-	Landline	Onvoy
(240)957-	Landline	Bandwidth.Com Clec
(240)960-	Landline	Omnipoint Communications Cap Operations
(240)961-	Wireless	Verizon Wireless
(240)962-	Wireless	Verizon Wireless
(240)963-	Landline	Bandwidth.Com Clec
(240)964-	Landline	Verizon Maryland
(240)965-	Landline	Paetec Communications
(240)966-	Landline	Ton80 Communications
(240)967-	Landline	Metropcs
(240)968-	Wireless	New Cingular Wireless Pcs
(240)969-	Landline	Commio
(240)970-	Landline	Onvoy
(240)971-	Landline	Centurylink Communications
(240)972-	Landline	Baltimore-Washington Telephone (Bwt)
(240)973-	Landline	Metropcs
(240)974-	Wireless	New Cingular Wireless Pcs
(240)975-	Wireless	Verizon Wireless
(240)977-	Landline	Onvoy
(240)978-	Landline	Omnipoint Communications Cap Operations
(240)979-	Landline	Level 3 Communications
(240)980-	Wireless	Verizon Wireless
(240)981-	Landline	Nuso
(240)982-	Landline	Onvoy
(240)983-	Landline	Nuso
(240)984-	Landline	Teleport Communications America
(240)985-	Landline	Centurylink Communications
(240)986-	Landline	Xo Maryland
(240)987-	Wireless	New Cingular Wireless Pcs
(240)988-	Wireless	Sprint Spectrum
(240)993-	Landline	Mcimetro Access Transmission Services
(240)994-	Wireless	Verizon Wireless
(240)995-	Landline	Onvoy
(240)996-	Landline	Centurylink Communications
(240)997-	Wireless	Verizon Wireless
(240)998-	Landline	Centurylink Communications
No prefixes match “”.

Frequently Asked Questions about the 240 Area Code

Who called me from a 240 number?

28% of its assigned prefixes are wireless. Largest holders: Verizon Wireless, Sprint Spectrum, and New Cingular Wireless Pcs.

Is 240 a scam area code?

Carriers hold 78% of its possible prefixes.

Why do I keep getting calls from the 240 area code?

Complaints rose 7% on the prior period.

Should I answer an unknown 240 number?

53% of its FTC complaints were robocalls. Its most-reported specific subject was "Reducing your debt (credit cards, mortgage, student loans)", at 14%.

How do I block calls from the 240 area code?

Blocking 240 still lets 227 and 301 numbers through.

Where is area code 240?

240 covers 314 cities and 2,956,782 residents in 12 counties, led by Montgomery, Prince George's, and Frederick.

When did area code 240 go into service?

240 went into service on June 1, 1997. It was added to overlay 301. 227 also shares its territory.

Is 240 a real area code?

Yes: 52 carriers hold its prefixes, serving 314 cities in Montgomery, Prince George's, Frederick, and 9 other counties.

240 Area CodeGermantown, MD

Nearby Area Codes

Where is area code 240?

Overview of the 240 Area Code

Geographic Coverage of the 240 Area Code

Germantown Area Codes Overview

What cities does area code 240 cover?

What counties does area code 240 cover?

Has area code 240 been reported for unwanted calls?

Most-reported subjects

Which prefixes and exchanges belong to area code 240?

Frequently Asked Questions about the 240 Area Code

Who called me from a 240 number?

Is 240 a scam area code?

Why do I keep getting calls from the 240 area code?

Should I answer an unknown 240 number?

How do I block calls from the 240 area code?

Where is area code 240?

When did area code 240 go into service?

Is 240 a real area code?

What timezone is the 240 area code in?

How do I call a 240 number from abroad?

Related Area Codes