ZIP code · Port Arthur · Texas · United States

ZIP code 77643 — Port Arthur

Name: Port Arthur (77643)
Address: Texas, 77643, US

ZIP code 77643 serves Port Arthur, Texas.

Postal code: 77643
Single source Value from one source, not cross-checked.
City: Port Arthur
County: Jefferson
State: Texas
Country: United States
Coordinates: 29.9621, -93.8679 — precision precise (locality)
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Nearby localities

77640Port Arthur
77641Port Arthur
77642Port Arthur

About this page

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. Data generated on 2026-08-21. Methodology · Report an error on this page