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U.S. ZIP Code 77643
5-digit United States postal code #77643, Port Arthur, TX
ZIP: 77643
County: Jefferson
Place Name: Port Arthur
State: Texas
State Abbreviation: TX
Coordinates: 29° 57' 43.56" N, 93° 52' 4.44" W
Latitude: 29.962100000000
Longitude: -93.867900000000