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  2. What is the zip code of Port Arthur, TX, 77643

Port Arthur (TX) Zip Code is 77643 Latest Details Sep, 2025

Updated: 29-09-2025

Port Arthur (TX) zip Code is 77643, Postal Code details. Port Arthur is located in state TX, United States.

Find Zip Code 77643 Details

ZIP code 77643 is located in Port Arthur TX in the United States.

Postal Code United States Zip Code 77643 Latest update Port Arthur, TX
Zip Code / Postal Code 77643

City

Port Arthur

State Code

TX

County

Jefferson, United States

Postal Locations

Port Arthur, TX - Zip Code is - 77643

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 77643 is an essential part of the postal system in Port Arthur, TX. Located in a vibrant part of the city, this zip code covers a variety of neighborhoods, offering residents and businesses a unique blend of suburban comfort and urban convenience. Whether you're looking to send mail, relocate, or simply learn more about the area, Port Arthur has a lot to offer.

FAQ about Zip Code 77643, Port Arthur, (TX)

What is Zip code Port Arthur?

Port Arthur Zip Code: 77643, used by the Port Arthur Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in Jefferson, TX. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Port Arthur?

Port Arthur Postal Code is: 77643

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