City · Texas · United States

Port Arthur, TX — ZIP codes

4 ZIP codes · Jefferson County

City: Port Arthur
County: Jefferson
State: Texas
Country: United States
Postal codes: 77640776417764277643
Single source
Coordinates: 29.8709, -93.9643 View on OpenStreetMap

ZIP codes (4)

Postal code	Place name	Verification
77640	Port Arthur	Single source
77641	Port Arthur	Single source
77642	Port Arthur	Single source
77643	Port Arthur	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.