City · Washington · United States
Mesa, WA — ZIP codes
1 ZIP code · Franklin County
- City
- Mesa
- County
- Franklin
- State
- Washington
- Country
- United States
- Postal code
- 99343Single source
- Coordinates
- 46.5782, -119.1373 View on OpenStreetMap
- Area code
- 509 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 99343 | Mesa | 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.