Postal reference / United States

77643Port Arthur, Texas

ZIP code 77643 is a United States postal code for Port Arthur, Texas. Its county association is Jefferson County. The map reference point is at 29.9621, -93.8679.

State / territory
Texas
Recorded place name
Port Arthur
County association
Jefferson
Estimated coordinate
29.9621, -93.8679
View on OpenStreetMap
ZIP prefix
776 · 36 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

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Other ZIP codes in Port Arthur, TX

Port Arthur has 4 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
77619GrovesTXJefferson3.1
77611Bridge CityTXOrange4.5
77642Port ArthurTXJefferson4.5
77651Port NechesTXJefferson5.8
77639OrangefieldTXOrange7.0
77630OrangeTXOrange7.5
77627NederlandTXJefferson8.0
77640Port ArthurTXJefferson8.5

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