Gilliam LA ZIP Code
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Gilliam city is located in Louisiana State, Caddo County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Gilliam LA zip code by its streets and block numbers if we have some of the Gilliam streets loaded in our website
Gilliam Area Code is 318 and Time Zone is Central (GMT -06:00).
Gilliam Zip Code - Louisiana
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Gilliam City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Gilliam ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Gilliam, Louisiana.
The Gilliam Zip Code is 71029.
If you want to send a mail to Gilliam City, you should use the 71029 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Gilliam 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 71029 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Gilliam 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 Louisiana.