Sebastian TX ZIP Code
Sebastian city is located in Texas State, Willacy County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Sebastian TX zip code by its streets and block numbers if we have some of the Sebastian streets loaded in our website
Sebastian Area Code is 956 and Time Zone is Central (GMT -06:00).
Sebastian Zip Code - Texas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Sebastian City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Sebastian ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Sebastian, Texas.
The Sebastian Zip Code is 78594.
If you want to send a mail to Sebastian City, you should use the 78594 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Sebastian 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 78594 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Sebastian 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.