Williamstown, NJ Area Codes
Williamstown is served by area code 856. It is in New Jersey, Gloucester County. About 41,595 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 856 |
| State / province | New Jersey |
| County | Gloucester County |
| Population | 41,595 |
| ZIP codes | 1 |
| Time zone | Eastern |
| Coordinates | 39.6506, -74.9593 |
What area code is Williamstown 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
Franklinville 856Sicklerville 856Clayton 856Berlin 856Glassboro 856Hammonton 609, 640Blackwood 856Pitman 856
How to dial
Dial 856 + 7 digits for a number in Williamstown, or +1 856 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.