Fostoria ZIP code, Iowa
The ZIP code for Fostoria, IA is 51340, and its area code is 712.
- USPS city name
- 1 ZIP code
- Overlapping the city
- 1 more
- Population
- 181
- Area code
- 712
- County
- Clay County
- State
- Iowa
NANPA lists no telephone rate centre for Fostoria itself, so these are the area codes of the nearest one, Milford (5.3 miles). A town on an area-code boundary can differ from its neighbour.
Mail addressed to Fostoria uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.
ZIP codes addressed as Fostoria
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
51340 | Fostoria , IA | Standard | 75 | $90,250 | $133,800 |
Other ZIP codes overlapping Fostoria
These ZIP codes cover part of Fostoria but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
51301 | Spencer , IA | Standard | 12,638 | $63,402 | $188,300 |
Map of Fostoria ZIP codes
The ZIP codes of Fostoria, IA, 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 Fostoria
The nearest larger towns are Spencer (11,400 people, 6.6 mi), Milford (3,311 people, 6.8 mi) and West Okoboji (418 people, 7.3 mi).
| Town | Population | Distance |
|---|---|---|
| Spencer | 11,400 | 6.6 mi |
| Milford | 3,311 | 6.8 mi |
| Spirit Lake | 5,518 | 12.2 mi |
| Estherville | 5,839 | 19.4 mi |
| Emmetsburg | 3,648 | 25.5 mi |
| Jackson, MN | 3,287 | 27.7 mi |
More nearby: every ZIP code in Clay County · Iowa ZIP codes
Cite this page
zipcodes.pro. “Fostoria, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/fostoria
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