Firth ID ZIP Code
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Firth city is located in Idaho State, Bingham County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Firth ID zip code by its streets and block numbers if we have some of the Firth streets loaded in our website
Firth Area Code is 208 and Time Zone is Mountain (GMT -07:00).
Firth Zip Code - Idaho
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Firth City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Firth ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Firth, Idaho.
The Firth Zip Code is 83236.
If you want to send a mail to Firth City, you should use the 83236 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Firth 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 83236 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Firth 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 Idaho.