Port Arthur, TX ZIP Codes, Coordinates & Counties
Port Arthur, Texas has 2 ZIP codes in Jefferson county. The approximate center of Port Arthur is 29.91, -93.928. Port Arthur has about 482,795 known street addresses.
ZIP codes in Port Arthur, TX
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 77640 | Jefferson | 29.881 | -93.941 |
| 77642 | Jefferson | 29.939 | -93.916 |
Counties Port Arthur spans
Jefferson
Most common streets in Port Arthur
5th, 6th, 9th, 12th, 8th, 10th, 4th, 7th, 11th, 13th
Frequently asked questions
What ZIP codes are in Port Arthur, TX?
Port Arthur, Texas has 2 ZIP codes, ranging from 77640 to 77642. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is Port Arthur, TX in?
Port Arthur is in Jefferson county.
What are the latitude and longitude of Port Arthur, TX?
The approximate center of Port Arthur, Texas is latitude 29.91, longitude -93.928. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does Port Arthur, TX have?
Port Arthur has 2 ZIP codes.
How many addresses are in Port Arthur, TX?
Port Arthur, Texas has about 482,795 known street addresses in the sthan.io US address database.
What are the most common streets in Port Arthur, TX?
Some of the most common street names in Port Arthur are 5th, 6th, 9th, 12th, 8th, 10th.
What cities are near Port Arthur, TX?
Cities near Port Arthur include Groves (3 mi), Port Neches (5 mi), Nederland (7 mi), Bridge City (9 mi), Sabine Pass (14 mi).
Cities near Port Arthur
Groves, TX (3 mi) Port Neches, TX (5 mi) Nederland, TX (7 mi) Bridge City, TX (9 mi) Sabine Pass, TX (14 mi) Orange, TX (17 mi) Beaumont, TX (18 mi) Vidor, TX (19 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database