Harper ZIP code, Iowa
The ZIP code for Harper, IA is 52231, and its area code is 641.
- USPS city name
- 1 ZIP code
- Population
- 155
- Area code
- 641
- County
- Keokuk County
- State
- Iowa
ZIP codes addressed as Harper
| ZIP | City | Type | Population | Median income | Median home |
|---|---|---|---|---|---|
52231 | Harper , IA | Standard | 539 | $90,893 | $242,400 |
Map of Harper ZIP codes
The ZIP codes of Harper, 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 Harper
The nearest larger towns are Keota (891 people, 5.1 mi), South English (260 people, 6.4 mi) and Kinross (171 people, 7.4 mi).
| Town | Population | Distance |
|---|---|---|
| Washington | 7,290 | 19.1 mi |
| Kalona | 2,692 | 20.0 mi |
| Williamsburg | 3,360 | 21.2 mi |
| Fairfield | 9,456 | 25.1 mi |
| Marengo | 2,725 | 29.9 mi |
More nearby: every ZIP code in Keokuk County · Iowa ZIP codes
Cite this page
zipcodes.pro. “Harper, IA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ia/harper
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