Callahan FL ZIP Code
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Callahan city is located in Florida State, Nassau County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Callahan FL zip code by its streets and block numbers if we have some of the Callahan streets loaded in our website
Callahan Area Code is 904 and Time Zone is Eastern (GMT -05:00).
Callahan Zip Code - Florida
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Callahan City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Callahan ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Callahan, Florida.
The Callahan Zip Code is 32011.
If you want to send a mail to Callahan City, you should use the 32011 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Callahan 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 32011 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Callahan 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 Florida.