640 Area CodeTrenton, NJ
Area code 640 covers Trenton and 105 other cities in New Jersey: 1,251,379 people in 10 counties, led by Mercer and Burlington, on Eastern Time (ET). It overlays 609.
Overview
- Major City
- Trenton
- State
- New Jersey (NJ)
- Timezone
- Eastern Time (ET)
- Current Time
- –:––
- Overlay
- Yes – shares area with 609
Where is area code 640?
Overview of the 640 Area Code
Geographic Coverage of the 640 Area Code
All 106 cities- 91,193
- 38,959
- 31,445
- 20,924
- 16,142
- 15,036
Trenton Area Codes Overview
- 609Same territory
- 640This page
What cities does area code 640 cover?
| City | State | Population | Population in 640 | % of listed-city population | % of City |
|---|---|---|---|---|---|
| Trenton | NJ | 91,193 | 91,193 | 15.7% | 100.0% |
| Atlantic City | NJ | 38,959 | 38,959 | 6.7% | 100.0% |
| Princeton | NJ | 31,445 | 31,445 | 5.4% | 100.0% |
| Pleasantville | NJ | 20,924 | 20,924 | 3.6% | 100.0% |
| Ocean Acres | NJ | 16,142 | 16,142 | 2.8% | 100.0% |
| Hammonton | NJ | 15,036 | 15,036 | 2.6% | 100.0% |
| Princeton Meadows | NJ | 13,834 | 13,834 | 2.4% | 100.0% |
| Mercerville | NJ | 13,230 | 13,230 | 2.3% | 100.0% |
| Hamilton Square | NJ | 12,784 | 12,784 | 2.2% | 100.0% |
| Browns Mills | NJ | 11,223 | 11,223 | 1.9% | 100.0% |
| Ocean City | NJ | 11,219 | 11,219 | 1.9% | 100.0% |
| Somers Point | NJ | 10,611 | 10,611 | 1.8% | 100.0% |
| Burlington | NJ | 10,143 | 10,143 | 1.7% | 100.0% |
| White Horse | NJ | 9,494 | 9,494 | 1.6% | 100.0% |
| Villas | NJ | 9,483 | 9,483 | 1.6% | 100.0% |
| Ventnor City | NJ | 9,372 | 9,372 | 1.6% | 100.0% |
| Absecon | NJ | 9,249 | 9,249 | 1.6% | 100.0% |
| Northfield | NJ | 8,527 | 8,527 | 1.5% | 100.0% |
| Mystic Island | NJ | 8,493 | 8,493 | 1.5% | 100.0% |
| Fort Dix | NJ | 7,716 | 7,716 | 1.3% | 100.0% |
| Brigantine | NJ | 7,697 | 7,697 | 1.3% | 100.0% |
| Twin Rivers | NJ | 7,443 | 7,443 | 1.3% | 100.0% |
| Smithville | NJ | 7,242 | 7,242 | 1.2% | 100.0% |
| Yardville | NJ | 7,186 | 7,186 | 1.2% | 100.0% |
| Pomona | NJ | 7,124 | 7,124 | 1.2% | 100.0% |
| Linwood | NJ | 7,072 | 7,072 | 1.2% | 100.0% |
| Hightstown | NJ | 5,978 | 5,978 | 1.0% | 100.0% |
| Cape May Court House | NJ | 5,338 | 5,338 | 0.9% | 100.0% |
| Forked River | NJ | 5,244 | 5,244 | 0.9% | 100.0% |
| Margate City | NJ | 5,239 | 5,239 | 0.9% | 100.0% |
| Wildwood | NJ | 5,098 | 5,098 | 0.9% | 100.0% |
| Egg Harbor City | NJ | 4,442 | 4,442 | 0.8% | 100.0% |
| Florence | NJ | 4,426 | 4,426 | 0.8% | 100.0% |
| Medford Lakes | NJ | 4,347 | 4,347 | 0.7% | 100.0% |
| Lambertville | NJ | 4,197 | 4,197 | 0.7% | 100.0% |
| Bordentown | NJ | 4,068 | 4,068 | 0.7% | 100.0% |
| Country Lake Estates | NJ | 3,943 | 3,943 | 0.7% | 100.0% |
| Beach Haven West | NJ | 3,896 | 3,896 | 0.7% | 100.0% |
| Lawrenceville | NJ | 3,887 | 3,887 | 0.7% | 100.0% |
| Roebling | NJ | 3,715 | 3,715 | 0.6% | 100.0% |
| McGuire AFB | NJ | 3,710 | 3,710 | 0.6% | 100.0% |
| Tuckerton | NJ | 3,701 | 3,701 | 0.6% | 100.0% |
| Leisuretowne | NJ | 3,582 | 3,582 | 0.6% | 100.0% |
| North Wildwood | NJ | 3,555 | 3,555 | 0.6% | 100.0% |
| North Cape May | NJ | 3,226 | 3,226 | 0.6% | 100.0% |
| Concordia | NJ | 3,092 | 3,092 | 0.5% | 100.0% |
| Robbinsville | NJ | 3,041 | 3,041 | 0.5% | 100.0% |
| Wildwood Crest | NJ | 3,036 | 3,036 | 0.5% | 100.0% |
| Groveville | NJ | 2,945 | 2,945 | 0.5% | 100.0% |
| Pennington | NJ | 2,906 | 2,906 | 0.5% | 100.0% |
| Barnegat | NJ | 2,817 | 2,817 | 0.5% | 100.0% |
| Cape May | NJ | 2,742 | 2,742 | 0.5% | 100.0% |
| Plainsboro Center | NJ | 2,712 | 2,712 | 0.5% | 100.0% |
| Rio Grande | NJ | 2,670 | 2,670 | 0.5% | 100.0% |
| Clearbrook Park | NJ | 2,667 | 2,667 | 0.5% | 100.0% |
| Rossmoor | NJ | 2,666 | 2,666 | 0.5% | 100.0% |
| Beverly | NJ | 2,543 | 2,543 | 0.4% | 100.0% |
| New Egypt | NJ | 2,512 | 2,512 | 0.4% | 100.0% |
| Whittingham | NJ | 2,476 | 2,476 | 0.4% | 100.0% |
| Princeton Junction | NJ | 2,465 | 2,465 | 0.4% | 100.0% |
| Pemberton Heights | NJ | 2,423 | 2,423 | 0.4% | 100.0% |
| Presidential Lakes Estates | NJ | 2,365 | 2,365 | 0.4% | 100.0% |
| Manahawkin | NJ | 2,303 | 2,303 | 0.4% | 100.0% |
| North Beach Haven | NJ | 2,235 | 2,235 | 0.4% | 100.0% |
| Whitesboro | NJ | 2,205 | 2,205 | 0.4% | 100.0% |
| Cranbury | NJ | 2,181 | 2,181 | 0.4% | 100.0% |
| Mays Landing | NJ | 2,135 | 2,135 | 0.4% | 100.0% |
| Erma | NJ | 2,134 | 2,134 | 0.4% | 100.0% |
| Woodbine | NJ | 2,122 | 2,122 | 0.4% | 100.0% |
| Sea Isle City | NJ | 2,122 | 2,122 | 0.4% | 100.0% |
| Ten Mile Run | NJ | 1,959 | 1,959 | 0.3% | 100.0% |
| Hopewell | NJ | 1,938 | 1,938 | 0.3% | 100.0% |
| Folsom | NJ | 1,840 | 1,840 | 0.3% | 100.0% |
| Allentown | NJ | 1,731 | 1,731 | 0.3% | 100.0% |
| Collings Lakes | NJ | 1,706 | 1,706 | 0.3% | 100.0% |
| Estell Manor | NJ | 1,699 | 1,699 | 0.3% | 100.0% |
| Waretown | NJ | 1,569 | 1,569 | 0.3% | 100.0% |
| Kingston | NJ | 1,493 | 1,493 | 0.3% | 100.0% |
| Elwood | NJ | 1,437 | 1,437 | 0.2% | 100.0% |
| Pemberton | NJ | 1,392 | 1,392 | 0.2% | 100.0% |
| Surf City | NJ | 1,298 | 1,298 | 0.2% | 100.0% |
| Avalon | NJ | 1,216 | 1,216 | 0.2% | 100.0% |
| Port Republic | NJ | 1,131 | 1,131 | 0.2% | 100.0% |
| Ship Bottom | NJ | 1,125 | 1,125 | 0.2% | 100.0% |
| Beach Haven | NJ | 1,069 | 1,069 | 0.2% | 100.0% |
| West Cape May | NJ | 995 | 995 | 0.2% | 100.0% |
| Longport | NJ | 884 | 884 | 0.2% | 100.0% |
| Roosevelt | NJ | 802 | 802 | 0.1% | 100.0% |
| Stone Harbor | NJ | 784 | 784 | 0.1% | 100.0% |
| Rocky Hill | NJ | 755 | 755 | 0.1% | 100.0% |
| Wrightstown | NJ | 731 | 731 | 0.1% | 100.0% |
| Burleigh | NJ | 725 | 725 | 0.1% | 100.0% |
| Barnegat Light | NJ | 641 | 641 | 0.1% | 100.0% |
| Belleplain | NJ | 597 | 597 | 0.1% | 100.0% |
| Fieldsboro | NJ | 547 | 547 | 0.1% | 100.0% |
| West Wildwood | NJ | 536 | 536 | 0.1% | 100.0% |
| Stockton | NJ | 499 | 499 | 0.1% | 100.0% |
| Corbin City | NJ | 486 | 486 | 0.1% | 100.0% |
| East Rocky Hill | NJ | 469 | 469 | 0.1% | 100.0% |
| Juliustown | NJ | 429 | 429 | 0.1% | 100.0% |
| Harvey Cedars | NJ | 402 | 402 | 0.1% | 100.0% |
| Cape May Point | NJ | 297 | 297 | 0.1% | 100.0% |
| Blawenburg | NJ | 280 | 280 | 0.1% | 100.0% |
| Skillman | NJ | 242 | 242 | 0.0% | 100.0% |
| Strathmere | NJ | 158 | 158 | 0.0% | 100.0% |
| Diamond Beach | NJ | 136 | 136 | 0.0% | 100.0% |
City population is shown in full; each city's share inside 640 is measured from Census tract centroids.
What counties does area code 640 cover?
| County | State | Population in 640 | % of area-code footprint | % of County |
|---|---|---|---|---|
| Mercer County | NJ | 387,340 | 31% | 100% |
| Burlington County | NJ | 271,091 | 22% | 59% |
| Atlantic County | NJ | 260,427 | 21% | 95% |
| Ocean County | NJ | 132,102 | 11% | 21% |
| Cape May County | NJ | 95,263 | 8% | 100% |
| Middlesex County | NJ | 52,543 | 4% | 6% |
| Somerset County | NJ | 15,206 | 1% | 4% |
| Monmouth County | NJ | 14,019 | 1% | 2% |
| Hunterdon County | NJ | 12,199 | 1% | 9% |
| Camden County | NJ | 11,189 | 1% | 2% |
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 640 been reported for unwanted calls?
Yes – 494 FTC complaints, May 29 – Oct 1, 2026.
- 66% robocalls
- ↑ 79% vs prior period
- FTC data, retrieved 2026-10-05
Most-reported subjects
- Other38%189
- Reducing your debt (credit cards, mortgage, student loans)27%134
- Dropped call or no message11%53
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 640?
7% assigned to a telco
- 87% Landline
- 13% Wireless
- 0% Unknown
of 68 | ||
| Prefix | Usage | Carrier |
|---|---|---|
| (640)200- | Landline | Onvoy |
| (640)201- | Landline | Ip Horizon |
| (640)202- | Landline | Ip Horizon |
| (640)203- | Wireless | Verizon Wireless |
| (640)204- | Wireless | Verizon Wireless |
| (640)205- | Landline | Comcast Ip Phone |
| (640)206- | Landline | Comcast Ip Phone |
| (640)207- | Landline | Bandwidth.Com Clec |
| (640)208- | Wireless | Verizon Wireless |
| (640)209- | Landline | Omnipoint Communications Enterprises |
| (640)212- | Landline | Omnipoint Communications Enterprises |
| (640)213- | Landline | Omnipoint Communications Enterprises |
| (640)214- | Landline | Bandwidth.Com Clec |
| (640)216- | Landline | Bandwidth.Com Clec |
| (640)217- | Landline | Bandwidth.Com Clec |
| (640)218- | Landline | Bandwidth.Com Clec |
| (640)219- | Wireless | New Cingular Wireless Pcs |
| (640)220- | Landline | Onvoy Spectrum |
| (640)221- | Wireless | New Cingular Wireless Pcs |
| (640)222- | Landline | Terra Nova Telecom |
| (640)223- | Landline | Omnipoint Communications Enterprises |
| (640)224- | Landline | Onvoy Spectrum |
| (640)225- | Landline | Omnipoint Communications Enterprises |
| (640)226- | Landline | Bandwidth.Com Clec |
| (640)227- | Landline | Ton80 Communications |
| (640)228- | Wireless | New Cingular Wireless Pcs |
| (640)229- | Wireless | Dish Wireless |
| (640)230- | Landline | Omnipoint Communications Enterprises |
| (640)231- | Landline | Onvoy |
| (640)232- | Landline | Onvoy |
| (640)233- | Landline | Onvoy |
| (640)234- | Landline | Omnipoint Communications Enterprises |
| (640)235- | Landline | Omnipoint Communications Enterprises |
| (640)236- | Landline | Bandwidth.Com Clec |
| (640)238- | Landline | Nuso |
| (640)239- | Landline | Nuso |
| (640)240- | Wireless | New Cingular Wireless Pcs |
| (640)241- | Wireless | Verizon Wireless |
| (640)242- | Landline | Omnipoint Communications Enterprises |
| (640)243- | Landline | Onvoy |
| (640)245- | Landline | Nuso |
| (640)246- | Landline | Nuso |
| (640)266- | Landline | Ton80 Communications |
| (640)300- | Landline | Onvoy |
| (640)333- | Landline | Fractel |
| (640)344- | Landline | Onvoy Spectrum |
| (640)345- | Landline | Fractel |
| (640)356- | Landline | Fractel |
| (640)400- | Landline | Onvoy |
| (640)444- | Landline | Fractel |
| (640)466- | Landline | Ton80 Communications |
| (640)500- | Landline | Onvoy |
| (640)529- | Landline | Fractel |
| (640)600- | Landline | Onvoy |
| (640)614- | Landline | Onvoy |
| (640)644- | Landline | Onvoy Spectrum |
| (640)650- | Landline | Onvoy Spectrum |
| (640)666- | Landline | Fractel |
| (640)696- | Landline | Skyetel |
| (640)777- | Landline | Terra Nova Telecom |
| (640)800- | Landline | Onvoy |
| (640)837- | Landline | Coretel New Jersey |
| (640)866- | Landline | Ton80 Communications |
| (640)867- | Landline | Commio |
| (640)888- | Landline | Terra Nova Telecom |
| (640)900- | Landline | Onvoy |
| (640)962- | Landline | Onvoy |
| (640)999- | Landline | Fractel |
| No prefixes match “”. | ||
Frequently Asked Questions about the 640 Area Code
Who called me from a 640 number?
13% of its assigned prefixes are wireless. Largest holders: Onvoy, Omnipoint Communications Enterprises, and Bandwidth.Com Clec.
Is 640 a scam area code?
Carriers hold 7% of its possible prefixes.
Why do I keep getting calls from the 640 area code?
Complaints rose 79% on the prior period.
Should I answer an unknown 640 number?
66% of its FTC complaints were robocalls. Its most-reported specific subject was "Reducing your debt (credit cards, mortgage, student loans)", at 27%.
How do I block calls from the 640 area code?
Blocking 640 still lets 609 numbers through.
Where is area code 640?
640 covers 106 cities and 1,251,379 residents in 10 New Jersey counties, led by Mercer, Burlington, and Atlantic.
When did area code 640 go into service?
640 went into service on September 17, 2018. It was added to overlay 609.
Is 640 a real area code?
Yes: 16 carriers hold its prefixes, serving 106 cities in Mercer, Burlington, Atlantic, and 7 other counties.
What timezone is the 640 area code in?
640 is on Eastern Time (ET).
How do I call a 640 number from abroad?
Dial +1 640, then the number.