City · Pennsylvania · United States
Middletown, PA — ZIP codes
1 ZIP code · Dauphin County
- City
- Middletown
- County
- Dauphin
- State
- Pennsylvania
- Country
- United States
- Postal code
- 17057Single source
- Coordinates
- 40.2041, -76.7331 View on OpenStreetMap
- Area codes
- 717, 223
ZIP codes (1)
| Postal code | Place name | Verification |
|---|---|---|
| 17057 | Middletown | 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.