City · Oklahoma · United States
Hennessey, OK — ZIP codes
1 ZIP code · Kingfisher County
- City
- Hennessey
- County
- Kingfisher
- State
- Oklahoma
- Country
- United States
- Postal code
- 73742Single source
- Coordinates
- 36.0868, -97.8926 View on OpenStreetMap
- Area codes
- 405, 572
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 73742 | Hennessey | 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) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Last generated : 2026-08-21. Report an error.