Zip Codes in Williamstown, NY
| Zip Code | Post Office City | County | State | Show Map | Show Statistics |
|---|---|---|---|---|---|
| 13493 | Williamstown | Oswego | New York | Show Map | Show Statistics |
| Zip Code | Post Office City | County | State | Show Map | Show Statistics |
|---|---|---|---|---|---|
| 13493 | Williamstown | Oswego | New York | Show Map | Show Statistics |