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  2. What is the zip code of Portland, TX, 78374

Portland (TX) Zip Code is 78374 Latest Details Jul, 2025

Updated: 08-07-2025

Portland (TX) zip Code is 78374, Postal Code details. Portland is located in state TX, United States.

Find Zip Code 78374 Details

ZIP code 78374 is located in Portland TX in the United States.

Postal Code United States Zip Code 78374 Latest update Portland, TX
Zip Code / Postal Code 78374

City

Portland

State Code

TX

County

San Patricio, United States

Postal Locations

Portland, TX - Zip Code is - 78374

Postal

United States Postal Service USPS Link

Delivery Type

Package Delivery and first class mail.

The zip code 78374 is an essential part of the postal system in Portland, 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, Portland has a lot to offer.

FAQ about Zip Code 78374, Portland, (TX)

What is Zip code Portland?

Portland Zip Code: 78374, used by the Portland Post Office and USPS, is a Zone Improvement Plan code that ensures faster, accurate mail delivery in San Patricio, TX. Represented by the American Postal Workers Union (APWU), USPS oversees postal operations.

What is Postal code of area Portland?

Portland Postal Code is: 78374

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