San Juan TX ZIP Code
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San Juan city is located in Texas State, Hidalgo County and has a unique zip code assigned by the US Postal Service Office.
You can search for the San Juan TX zip code by its streets and block numbers if we have some of the San Juan streets loaded in our website
San Juan Area Code is 956 and Time Zone is Central (GMT -06:00).
San Juan Zip Code - Texas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the San Juan City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the San Juan ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in San Juan, Texas.
The San Juan Zip Code is 78589.
If you want to send a mail to San Juan City, you should use the 78589 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded San Juan 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 78589 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a San Juan 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.