Casper WY ZIP Code
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Casper city is located in Wyoming State, Natrona County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Casper WY zip code by its streets and block numbers if we have some of the Casper streets loaded in our website
Casper Area Code is 307 and Time Zone is Mountain (GMT -07:00).
Casper Zip Code - Wyoming
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Casper City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Casper ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Casper, Wyoming.
The Casper Zip Code is 82601, 82602, 82604, 82605, 82609.
If you want to send a mail to Casper City, you should use the 82601, 82602, 82604, 82605, 82609 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Casper 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 82601, 82602, 82604, 82605, 82609 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Casper 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.