City · Pennsylvania · United States

Williamsport, PA — ZIP codes

4 ZIP codes · Lycoming County

City: Williamsport
County: Lycoming
State: Pennsylvania
Country: United States
Postal codes: 17701177021770317705
Single source
Coordinates: 41.2412, -77.0011 View on OpenStreetMap

ZIP codes (4)

Postal code	Place name	Verification
17701	Williamsport	Single source
17702	Williamsport	Single source
17703	Williamsport	Single source
17705	Williamsport	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.