Ithaca ZIP codes, Ohio
No ZIP code is named for Ithaca, OH; addresses there use a neighbouring town's name. The ZIP code covering it is 45304. Its area code is 937.
- USPS city name
- 0 ZIP codes
- Overlapping the city
- 1 more
- Population
- 78
- Area code
- 937
- County
- Darke County
- State
- Ohio
NANPA lists no telephone rate centre for Ithaca itself, so these are the area codes of the nearest one, Arcanum (0.0 miles). A town on an area-code boundary can differ from its neighbour.
ZIP codes covering Ithaca
These ZIP codes cover part of Ithaca but are addressed as somewhere else.
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
45304 | Arcanum , OH | Standard | 7,599 | $78,125 | $190,200 |
Map of Ithaca ZIP codes
The ZIP codes of Ithaca, 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 Ithaca
The nearest larger towns are Gordon (222 people, 2.4 mi), Verona (653 people, 3.6 mi) and Arcanum (2,912 people, 3.8 mi).
| Town | Population | Distance |
|---|---|---|
| Arcanum | 2,912 | 3.8 mi |
| Brookville | 5,779 | 10.0 mi |
| Greenville | 12,741 | 12.1 mi |
| West Milton | 4,771 | 12.1 mi |
| Clayton | 13,277 | 13.0 mi |
| Eaton | 8,339 | 13.7 mi |
| Englewood | 13,356 | 13.9 mi |
| Union | 7,037 | 13.9 mi |
| New Lebanon | 4,169 | 15.8 mi |
| Trotwood | 23,041 | 15.9 mi |
| Covington | 2,596 | 16.4 mi |
| Lake Lakengren | 3,445 | 18.8 mi |
| Fort McKinley | 3,508 | 18.8 mi |
| Troy | 26,842 | 18.9 mi |
More nearby: every ZIP code in Darke County · Ohio ZIP codes
Cite this page
zipcodes.pro. “Ithaca, OH ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/oh/ithaca
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