Williamstown zipcode
| City | Williamstown |
| ZIP Code | 08094 |
| Type | Standard |
| State Code | NJ |
| State | New Jersey |
ZIP code of Williamstown is 08094. This place is located in New Jersey state in US. To send any postal service to Williamstown, you must use 08094 zipcode.
You should avoid following 2 city names of New Jersey to be used with the ZIP code 08094.
- Cecil, NJ
- Collings Lakes, NJ