Clayton, NJ Area Codes
Clayton is served by area code 856. It is in New Jersey, Gloucester County. About 8,556 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 856 |
| State / province | New Jersey |
| County | Gloucester County |
| Population | 8,556 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.6614, -75.0839 |
What area code is Clayton in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 856 | New Jersey | 1,233,381 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Glassboro 856Franklinville 856Pitman 856Williamstown 856Sewell 856Sicklerville 856Mullica Hill 609, 856Blackwood 856
How to dial
Dial 856 + 7 digits for a number in Clayton, or +1 856 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.