Williamstown ZIP code, Ohio
The ZIP code for Williamstown, OH is 45897, and its area codes are 567 and 419.
- USPS city name
- 1 ZIP code
- Population
- 115
- County
- Hancock County
- State
- Ohio
NANPA lists no telephone rate centre for Williamstown itself, so these are the area codes of the nearest one, Dunkirk (3.4 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes addressed as Williamstown
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
45897 | Williamstown , OH | Standard | 115 | $56,528 | $169,600 |
Map of Williamstown ZIP codes
The ZIP codes of Williamstown, OH, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.
Towns near Williamstown
The nearest larger towns are Arlington (1,675 people, 3.6 mi), Dunkirk (839 people, 3.8 mi) and Dola (126 people, 4.5 mi).
| Town | Population | Distance |
|---|---|---|
| Ada | 4,797 | 10.2 mi |
| Bluffton | 3,859 | 12.6 mi |
| Kenton | 7,663 | 13.8 mi |
| Findlay | 40,287 | 14.3 mi |
| Carey | 3,622 | 15.8 mi |
| Upper Sandusky | 6,558 | 20.2 mi |
| Ottawa | 4,441 | 23.3 mi |
| North Baltimore | 3,584 | 23.4 mi |
| Lima | 35,010 | 24.8 mi |
| Fostoria | 12,344 | 25.4 mi |
| Fort Shawnee | 6,209 | 28.1 mi |
More nearby: every ZIP code in Hancock County · Ohio ZIP codes
Cite this page
zipcodes.pro. “Williamstown, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/williamstown
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