City · Pennsylvania · United States
South Mountain, PA — ZIP codes
1 ZIP code · Franklin County
- City
- South Mountain
- County
- Franklin
- State
- Pennsylvania
- Country
- United States
- Postal code
- 17261Single source
- Coordinates
- 39.8465, -77.4878 View on OpenStreetMap
- Area codes
- 223, 717 (from the nearest rate centre)
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 17261 | South Mountain | 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.