Area code
Area code 640 — Atlantic City, NJ
New Jersey · in service since September 17, 2018
Area code 640 covers parts of New Jersey; the place with the most of its prefixes is Atlantic City. It is an overlay: 609 serves the same area, so neighbors can have different area codes.
Overlay, same area: 609
Local time in Atlantic City
Spam reports from Sep 23 – Oct 22, 2026
Average #324 of 461 codes
218 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes147 assigned
- Runs out~3Q 2046
- Unwanted call?Block & report
Spam call reports about 640 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 10 |
| Sep 14 | 39 |
| Sep 21 | 55 |
| Sep 28 | 39 |
| Oct 5 | 26 |
| Oct 12 | 34 |
| Oct 19 (4 days) | 80 |
Compared with all codes
- Robocalls
- 71%all codes 75%
- Callers with the same code
- 2%all codes 35%
- Rank by complaints
- #324of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 191 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 108 38% | |
| Calls pretending to be government, businesses, or family and friends | 22 8% | |
| Dropped call or no message | 18 6% | |
| Energy, solar, & utilities | 4 1% | |
| Medical & prescriptions | 2 1% | |
| Home improvement & cleaning | 1 <1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| New Jersey | 75 27% | |
| Florida | 26 9% | |
| California | 24 8% | |
| Texas | 17 6% | |
| Michigan | 11 4% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 640 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| ATLNTIC CY | Atlantic City | Atlantic County | 18 |
| LAWRENCEVL | Lawrenceville | Mercer County | 17 |
| PLEASANTVL | Pleasantville | Atlantic County | 14 |
| PRINCETON | Princeton | Mercer County | 7 |
| TRENTON | Trenton | Mercer County | 7 |
| ALLENTOWN | Allentown | Monmouth County | 6 |
| BARNEGAT | Barnegat | Ocean County | 5 |
| CRANBURY | Cranbury | Middlesex County | 5 |
| MOUNTHOLLY | — | — | 4 |
| NEW EGYPT | New Egypt | Ocean County | 4 |
Plus 25 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- New Jersey
- Assigned by NANPA
- April 21, 2017
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-508
Source: NANPA, NPA database of Oct 24, 2026.
Is 640 running out of numbers?
Previous forecast (October 2025): 2046, the same year.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 640 prefixes
The five largest of 25 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| New Cingular Wireless PCS, LLC | 33 22% | |
| Onvoy, LLC | 27 18% | |
| Omnipoint Communications Enterprises, LP | 16 11% | |
| Multiple Ocn Listing | 9 6% | |
| Verizon Wireless | 9 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 640
What area code is 640?
A New Jersey area code, in service since September 17, 2018.
Where is 640 area code, and what time zone is it in?
Atlantic City, NJ; Eastern Time.
Why am I getting spam calls from 640?
218 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 640 get a new area code?
NANPA forecasts exhaust in 3Q 2046; no relief planning listed.