City · Iowa · United States
Houghton, IA — ZIP codes
1 ZIP code · Lee County
- City
- Houghton
- County
- Lee
- State
- Iowa
- Country
- United States
- Postal code
- 52631Single source
- Coordinates
- 40.7700, -91.6138 View on OpenStreetMap
- Area code
- 319
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 52631 | Houghton | Single source |
Sources and verification
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Last generated : 2026-08-21. Report an error.