City · Idaho · United States
Idaho City, ID — ZIP codes
1 ZIP code · Boise County
- City
- Idaho City
- County
- Boise
- State
- Idaho
- Country
- United States
- Postal code
- 83631Single source
- Coordinates
- 43.8834, -115.7080 View on OpenStreetMap
- Area code
- 208 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 83631 | Idaho City | 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.