City · Idaho · United States
Chester, ID — ZIP codes
1 ZIP code · Fremont County
- City
- Chester
- County
- Fremont
- State
- Idaho
- Country
- United States
- Postal code
- 83421Single source
- Coordinates
- 44.0011, -111.5351 View on OpenStreetMap
- Area codes
- 208, 986 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 83421 | Chester | 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.