Calvert TX ZIP Code
Calvert city is located in Texas State, Robertson County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Calvert TX zip code by its streets and block numbers if we have some of the Calvert streets loaded in our website
Calvert Area Code is 979 and Time Zone is Central (GMT -06:00).
Calvert Zip Code - Texas
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Calvert City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Calvert ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Calvert, Texas.
The Calvert Zip Code is 77837.
If you want to send a mail to Calvert City, you should use the 77837 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Calvert 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 77837 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Calvert 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.