Area Code 640
Area code 640 is in New Jersey, USA , spanning 9 counties and serving 101 cities, including Trenton, Pleasantville or Hammonton; it currently uses 100 prefixes, assigned from 640-200-XXXX through 640-999-XXXX.
In service since September 17, 2018, area code 640 is an overlay Numbering Plan Area, part of overlay complex 609/640.
The current local time is .
For exact NPA boundaries see official 640 area code map
Phone number lookup
More New Jersey area codes:
Locate any 640-NXX prefix:
| NPANXX | Area Served1 | Date1 |
|---|---|---|
| 640-200 | Florence | 11/26/2018 |
| 640-201 | Pleasantville | 3/2/2021 |
| 640-202 | Trenton | 3/2/2021 |
| 640-203 | Princeton | 3/17/2021 |
| 640-204 | Cranbury | 4/13/2021 |
| 640-205 | Tuckerton | 7/9/2021 |
| 640-206 | Vincentown | 7/16/2021 |
| 640-207 | Avalon | 7/22/2021 |
| 640-208 | Beach Haven | 8/13/2021 |
| 640-209 | Hammonton | 9/8/2021 |
| 640-210 | Pleasantville | 04/14/2025 |
| 640-212 | Atlantic City | 9/8/2021 |
| 640-213 | Barnegat | 9/8/2021 |
| 640-214 | Ewing | 10/28/2021 |
| 640-216 | Cranbury | 11/12/2021 |
| 640-217 | Capmaycths | 11/12/2021 |
| 640-218 | Dennisville | 11/16/2021 |
| 640-219 | Lawrenceville | 11/22/2021 |
| 640-220 | Bordentown | 4/6/2021 |
| 640-221 | Mount Holly | 12/6/2021 |
| 640-222 | Florence | 2/25/2019 |
| 640-223 | Pemberton | 12/6/2021 |
| 640-224 | Plainsboro | 4/8/2021 |
| 640-225 | Lawrenceville | 12/6/2021 |
| 640-226 | Lawrenceville | 12/8/2021 |
| 640-227 | Wildwood | 2/18/2022 |
| 640-228 | Allentown | 7/8/2022 |
| 640-229 | Cranbury | 8/1/2022 |
| 640-230 | Princeton | 8/4/2022 |
| 640-231 | Barnegat | 9/2/2022 |
| 640-232 | Burlington | 9/2/2022 |
| 640-233 | Mercerville | 9/2/2022 |
| 640-234 | Plainsboro | 9/7/2022 |
| 640-235 | Lawrenceville | 10/7/2022 |
| 640-236 | Atlantic City | 10/19/2022 |
| 640-237 | Mays Landing | 06/17/2024 |
| 640-238 | Burlington | 11/14/2022 |
| 640-239 | Hammonton | 11/15/2022 |
| 640-240 | Allentown | 12/1/2022 |
| 640-241 | Atlantic City | 12/21/2022 |
| 640-242 | Allentown | 01/09/2023 |
| 640-243 | Trenton | 01/12/2023 |
| 640-244 | Lawrenceville | 05/22/2025 |
| 640-245 | Atlantic City | 02/09/2023 |
| 640-246 | Trenton | 02/09/2023 |
| 640-247 | Ocean City | 04/06/2023 |
| 640-248 | Mount Holly | 05/04/2023 |
| 640-249 | New Egypt | 05/31/2023 |
| 640-250 | Cranbury | 06/27/2023 |
| 640-251 | Wildwood | 08/10/2023 |
| 640-252 | Princeton | 11/15/2023 |
| 640-253 | Lawrenceville | 11/30/2023 |
| 640-254 | Pleasantville | 01/18/2024 |
| 640-256 | Pemberton | 02/16/2024 |
| 640-257 | Tuckerton | 02/16/2024 |
| 640-258 | Lawrenceville | 02/14/2024 |
| 640-259 | Pleasantville | 02/29/2024 |
| 640-260 | Lawrenceville | 04/29/2024 |
| 640-261 | Princeton | 06/27/2024 |
| 640-263 | Pleasantville | 07/17/2024 |
| 640-264 | Lawrenceville | 07/18/2024 |
| 640-265 | Lawrenceville | 09/19/2024 |
| 640-266 | Burlington | 3/23/2021 |
| 640-267 | Cranbury | 11/01/2024 |
| 640-268 | Pleasantville | 12/02/2024 |
| 640-269 | Atlantic City | 12/02/2024 |
| 640-270 | Trenton | 12/02/2024 |
| 640-271 | Wildwood | 12/17/2024 |
| 640-272 | Cape May Court House | 03/18/2025 |
| 640-273 | Hammonton | 03/18/2025 |
| 640-274 | Princeton | 04/16/2025 |
| 640-275 | Lawrenceville | 04/23/2025 |
| 640-276 | Pleasantville | 02/21/2025 |
| 640-279 | Barnegat | 11/07/2024 |
| 640-283 | Hightstown | 12/13/2024 |
| 640-300 | Milmay | 11/26/2018 |
| 640-333 | Beach Haven | 1/25/2019 |
| 640-344 | Fort Dix | 4/6/2021 |
| 640-345 | Sea Isle City | 8/17/2021 |
| 640-356 | Medford | 4/1/2021 |
| 640-400 | Sea Isle City | 11/28/2018 |
| 640-444 | Atlantic City | 1/24/2019 |
| 640-466 | Atlantic City | 3/1/2022 |
| 640-500 | Mays Landing | 7/19/2019 |
| 640-529 | Mount Holly | 8/1/2019 |
| 640-600 | Medford | 7/19/2019 |
| 640-614 | Egg Harbor | 1/25/2021 |
| 640-644 | Medford | 4/6/2021 |
| 640-650 | New Egypt | 4/8/2021 |
| 640-666 | Barnegat | 1/25/2019 |
| 640-696 | Atlantic City | 9/9/2021 |
| 640-777 | Allentown | 3/27/2019 |
| 640-800 | Tuckahoe | 7/19/2019 |
| 640-837 | Cape May Court House | 3/29/2019 |
| 640-866 | Egg Harbor | 2/4/2021 |
| 640-867 | Princeton | 10/19/2022 |
| 640-888 | Atlantic City | 12/24/2018 |
| 640-900 | Somers Point | 7/19/2019 |
| 640-962 | Princeton | 10/19/2022 |
| 640-999 | New Egypt | 1/24/2019 |
- For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
- Assignment date.
- NXX prefixes last updated: June 3, 2025
Cities in area code 640
| City1 | County | Time Zone1 |
|---|---|---|
| Absecon | Atlantic | E |
| Allentown | Monmouth | E |
| Atlantic City | Atlantic | E |
| Avalon | Cape May | E |
| Barnegat | Ocean | E |
| Barnegat Light | Ocean | E |
| Beach Haven | Ocean | E |
| Birmingham | Burlington | E |
| Blawenburg | Somerset | E |
| Bordentown | Burlington | E |
| Brigantine | Atlantic | E |
| Browns Mills | Burlington | E |
| Burlington | Burlington | E |
| Cape May | Cape May | E |
| Cape May Court House | Cape May | E |
| Cape May Point | Cape May | E |
| Chatsworth | Burlington | E |
| Chesterfield | Burlington | E |
| Cologne | Atlantic | E |
| Columbus | Burlington | E |
| Cookstown | Burlington | E |
| Cranbury | Middlesex | E |
| Cream Ridge | Monmouth | E |
| Dennisville | Cape May | E |
| Dorothy | Atlantic | E |
| Egg Harbor City | Atlantic | E |
| Egg Harbor Township | Atlantic | E |
| Elwood | Atlantic | E |
| Estell Manor | Atlantic | E |
| Florence | Burlington | E |
| Forked River | Ocean | E |
| Fort Dix | Burlington | E |
| Goshen | Cape May | E |
| Green Creek | Cape May | E |
| Hainesport | Burlington | E |
| Hammonton | Atlantic | E |
| Hightstown | Mercer | E |
| Hopewell | Mercer | E |
| Imlaystown | Monmouth | E |
| Jobstown | Burlington | E |
| Juliustown | Burlington | E |
| Kingston | Somerset | E |
| Lambertville | Hunterdon | E |
| Lanoka Harbor | Ocean | E |
| Lawrence Township | Mercer | E |
| Leeds Point | Atlantic | E |
| Linwood | Atlantic | E |
| Longport | Atlantic | E |
| Lumberton | Burlington | E |
| Manahawkin | Ocean | E |
| Margate City | Atlantic | E |
| Marmora | Cape May | E |
| Mays Landing | Atlantic | E |
| Milmay | Atlantic | E |
| Mizpah | Atlantic | E |
| Mount Holly | Burlington | E |
| New Egypt | Ocean | E |
| New Gretna | Burlington | E |
| New Lisbon | Burlington | E |
| Newtonville | Atlantic | E |
| Northfield | Atlantic | E |
| Ocean City | Cape May | E |
| Ocean View | Cape May | E |
| Oceanville | Atlantic | E |
| Pemberton | Burlington | E |
| Pennington | Mercer | E |
| Plainsboro | Middlesex | E |
| Pleasantville | Atlantic | E |
| Pomona | Atlantic | E |
| Port Republic | Atlantic | E |
| Princeton | Mercer | E |
| Princeton Junction | Mercer | E |
| Richland | Atlantic | E |
| Rio Grande | Cape May | E |
| Rocky Hill | Somerset | E |
| Roebling | Burlington | E |
| Roosevelt | Monmouth | E |
| Rosemont | Hunterdon | E |
| Sea Isle City | Cape May | E |
| Sergeantsville | Hunterdon | E |
| Skillman | Somerset | E |
| Somers Point | Atlantic | E |
| South Dennis | Cape May | E |
| South Seaville | Cape May | E |
| Stockton | Hunterdon | E |
| Stone Harbor | Cape May | E |
| Strathmere | Cape May | E |
| Titusville | Mercer | E |
| Trenton | Mercer | E |
| Tuckahoe | Cape May | E |
| Tuckerton | Ocean | E |
| Ventnor City | Atlantic | E |
| Villas | Cape May | E |
| Vincentown | Burlington | E |
| Waretown | Ocean | E |
| West Creek | Ocean | E |
| Whitesboro | Cape May | E |
| Wildwood | Cape May | E |
| Windsor | Mercer | E |
| Woodbine | Cape May | E |
| Wrightstown | Burlington | E |
- Listed above are most places served by USA area code 640. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
- E stands for Eastern Time (currently ).