City · Pennsylvania · United States

New Castle, PA — ZIP codes

6 ZIP codes · Lawrence County

City: New Castle
County: Lawrence
State: Pennsylvania
Country: United States
Postal codes: 161011610216103161051610716108
Single source
Coordinates: 40.9922, -80.3284 View on OpenStreetMap

ZIP codes (6)

Postal code	Place name	Verification
16101	New Castle	Single source
16102	New Castle	Single source
16103	New Castle	Single source
16105	New Castle	Single source
16107	New Castle	Single source
16108	New Castle	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. Last generated : 2026-08-21. Report an error.