New Jersey Area Codes
Compare 10 in-service area codes assigned to New Jersey. Explore each code’s introduction date, overlays, possible time zones, and public prefix records.
New Jersey numbering at a glance
- In-service area codes
- 10
- Time-zone labels in NANPA data
- Eastern
- Listed in-service or assigned prefixes
- 5,562 · source dated 2026-09-29
These are numbering assignments. The counts do not represent active phone numbers, current carriers, or a caller’s physical location.
Compare area codes in New Jersey
| Code | Introduced | Other codes in overlay | Time zones | Listed prefixes |
|---|---|---|---|---|
| 201 | 01-Jan-1947 | 551 | Eastern | 778 |
| 551 | 29-Dec-2001 | 201 | Eastern | 294 |
| 609 | 01-Jan-1957 | 640 | Eastern | 780 |
| 640 | 17-Sep-2018 | 609 | Eastern | 123 |
| 732 | 01-Jun-1997 | 848 | Eastern | 779 |
| 848 | 29-Dec-2001 | 732 | Eastern | 274 |
| 856 | 12-Jun-1999 | None listed | Eastern | 665 |
| 862 | 29-Dec-2001 | 973 | Eastern | 376 |
| 908 | 01-Nov-1990 | None listed | Eastern | 716 |
| 973 | 01-Jun-1997 | 862 | Eastern | 777 |
Source: NANPA NPA database, dated 2026-09-28. Prefix counts: NANPA US assignment report. View official area-code maps.
Overlay groups in New Jersey
Codes in an overlay group can serve the same broad numbering area. A person may keep a number after moving, and the displayed number may be spoofed.
Find a number in New Jersey
Open an area-code page above to check a prefix and possible time zones. You can also search US telephone rate-center names; those names are not exact city coverage.
A code cannot verify the owner of a number. If an unexpected caller asks for money or sensitive information, verify the claim independently.