Port Lavaca TX ZIP Code
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Port Lavaca city is located in Texas State, Calhoun County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Port Lavaca TX zip code by its streets and block numbers if we have some of the Port Lavaca streets loaded in our website
Port Lavaca Area Code is 361 and Time Zone is Central (GMT -06:00).
Port Lavaca Zip Code - Texas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Port Lavaca City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Port Lavaca ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Port Lavaca, Texas.
The Port Lavaca Zip Code is 77979.
If you want to send a mail to Port Lavaca City, you should use the 77979 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Port Lavaca 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 77979 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Port Lavaca 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.