City · Pennsylvania · United States
Smithfield, PA — ZIP codes
1 ZIP code · Fayette County
- City
- Smithfield
- County
- Fayette
- State
- Pennsylvania
- Country
- United States
- Postal code
- 15478Single source
- Coordinates
- 39.7923, -79.8127 View on OpenStreetMap
- Area codes
- 724, 878
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 15478 | Smithfield | 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.