Portland TX ZIP Code

Portland city is located in Texas State, San Patricio County and has a unique zip code assigned by the US Postal Service Office.

You can search for the Portland TX zip code by its streets and block numbers if we have some of the Portland streets loaded in our website

Portland Area Code is 361 and Time Zone is Central (GMT -06:00).

Portland Zip Code - Texas

The US ZIP Code basic format consists of five decimal numerical digits assigned to the Portland City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Portland ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Portland, Texas.

The Portland Zip Code is 78374.

If you want to send a mail to Portland City, you should use the 78374 Zip Code.

In 1983, the U.S. Postal Service introduced an expanded Portland ZIP code system that it called ZIP+4, often called "plus-four codes", "add-on codes", or "add ons". A ZIP+4 code uses the basic 78374 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Portland city block, a group of apartments, an individual high-volume receiver of mail or any other unit that could use an extra identifier to aid in efficient mail sorting and delivery in Texas.

Portland, Texas - MAP

What is the Portland Zip Code?

The Portland Zip Code in Texas is 78374.

ZIP Plus 4 Portland - US Streets Zip Codes

By pressing keys ctrol + F you can search Portland zip codes by its streets, highways, and know the ZIP+4 US ZIP Code


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What is the zip code for Portland TX?


Portland, Texas - US Zip Code

Portland ZIP Code Lookup

78374 Zip Code File:
Zip Code: 78374,
City: Portland
Portland Area Code: 361
Portland, TX - Time Zone: Central (GMT -06:00)
County: San Patricio
City Alias: Portland
State: Texas
State Abb: TX

Texas Zip+4 - Nearby Portland Cities

Cities near Portland in Texas
(straight line)

View more Texas zip codes

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