New Jersey area codes
New Jersey has 10 area codes: 201, 551, 609, 640, 732, 848, 856, 862, 908, 973.
- 201 — Newark
- 551 — Newark
- 609 — Trenton
- 640 — Trenton
- 732 — Newark
- 848 — Newark
- 856 — Trenton
- 862 — Newark
- 908 — Newark
- 973 — Newark
Area codes by city in New Jersey
Sourced from the official NANPA (North American Numbering Plan Administrator) numbering database, current as of June 20, 2026. Refreshed monthly.