Robstown TX ZIP Code
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Robstown city is located in Texas State, Nueces County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Robstown TX zip code by its streets and block numbers if we have some of the Robstown streets loaded in our website
Robstown Area Code is 361 and Time Zone is Central (GMT -06:00).
Robstown Zip Code - Texas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Robstown City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Robstown ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Robstown, Texas.
The Robstown Zip Code is 78380.
If you want to send a mail to Robstown City, you should use the 78380 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Robstown 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 78380 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Robstown 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.