227 Area CodeColumbia, MD
Area code 227 covers Columbia and 313 other cities in Maryland: 2,956,782 people in 12 counties, led by Montgomery, Prince George's, and Frederick. It overlays 240 and 301.
Overview
- Major City
- Columbia
- State
- Maryland (MD)
- Timezone
- Varies
- Overlay
- Yes – shares area with 240, 301
Where is area code 227?
Overview of the 227 Area Code
Geographic Coverage of the 227 Area Code
All 314 cities- 99,615
- 89,537
- 86,395
- 71,452
- 70,686
- 68,417
Columbia Area Codes Overview
- 227This page
- 240Same territory
- 301Same territory
What cities does area code 227 cover?
| City | State | Population | Population in 227 | % 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 227 is measured from Census tract centroids.
What counties does area code 227 cover?
| County | State | Population in 227 | % 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 report (dates)
- · Methodology
Has area code 227 been reported for unwanted calls?
Yes – 452 FTC complaints, May 29 – Sep 30, 2026.
- 48% robocalls
- ↑ 112% vs prior period
- FTC data, retrieved 2026-10-05
Most-reported subjects
- Other52%233
- Dropped call or no message15%68
- Reducing your debt (credit cards, mortgage, student loans)11%48
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.
Frequently Asked Questions about the 227 Area Code
Who called me from a 227 number?
Its 314 cities are led by Columbia, Frederick, and Germantown.
Why do I keep getting calls from the 227 area code?
Complaints rose 112% on the prior period.
Should I answer an unknown 227 number?
48% of its FTC complaints were robocalls. Its most-reported specific subject was "Dropped call or no message", at 15%.
Where is area code 227?
227 covers 314 cities and 2,956,782 residents in 12 counties, led by Montgomery, Prince George's, and Frederick.
When did area code 227 go into service?
227 went into service on June 14, 2023. It was added to overlay 301. 240 also shares its territory.
Is 227 a real area code?
Yes: 314 cities in Montgomery, Prince George's, Frederick, and 9 other counties use it.
How do I call a 227 number from abroad?
Dial +1 227, then the number.