City · Oklahoma · United States
Calvin, OK — ZIP codes
1 ZIP code · Hughes County
- City
- Calvin
- County
- Hughes
- State
- Oklahoma
- Country
- United States
- Postal code
- 74531Single source
- Coordinates
- 34.8780, -96.2710 View on OpenStreetMap
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 74531 | Calvin | 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. Last generated : 2026-08-21. Report an error.