City · Wyoming · United States
Newcastle, WY — ZIP codes
1 ZIP code · Weston County
- City
- Newcastle
- County
- Weston
- State
- Wyoming
- Country
- United States
- Postal code
- 82701Single source
- Coordinates
- 43.8511, -104.2262 View on OpenStreetMap
- Area code
- 307
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 82701 | Newcastle | 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.