Williamstown zipcode
| City | Williamstown |
| ZIP Code | 17098 |
| Type | Standard |
| State Code | PA |
| State | Pennsylvania |
ZIP code of Williamstown is 17098. This place is located in Pennsylvania state in US. To send any postal service to Williamstown, you must use 17098 zipcode.
You should avoid following 2 city names of Pennsylvania to be used with the ZIP code 17098.
- Green Fields, PA
- Williams, PA