Sinton TX ZIP Code
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Sinton 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 Sinton TX zip code by its streets and block numbers if we have some of the Sinton streets loaded in our website
Sinton Area Code is 361 and Time Zone is Central (GMT -06:00).
Sinton Zip Code - Texas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sinton City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sinton ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sinton, Texas.
The Sinton Zip Code is 78387.
If you want to send a mail to Sinton City, you should use the 78387 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sinton 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 78387 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sinton 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.