Kirby WY ZIP Code
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Kirby city is located in Wyoming State, Hot Springs County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Kirby WY zip code by its streets and block numbers if we have some of the Kirby streets loaded in our website
Kirby Area Code is 307 and Time Zone is Mountain (GMT -07:00).
Kirby Zip Code - Wyoming
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Kirby City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Kirby ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Kirby, Wyoming.
The Kirby Zip Code is 82430.
If you want to send a mail to Kirby City, you should use the 82430 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Kirby 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 82430 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Kirby 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 Wyoming.