Willcox AZ ZIP Code
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Willcox city is located in Arizona State, Cochise County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Willcox AZ zip code by its streets and block numbers if we have some of the Willcox streets loaded in our website
Willcox Area Code is 520 and Time Zone is Mountain (GMT -07:00).
Willcox Zip Code - Arizona
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Willcox City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Willcox ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Willcox, Arizona.
The Willcox Zip Code is 85643, 85644.
If you want to send a mail to Willcox City, you should use the 85643, 85644 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Willcox 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 85643, 85644 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Willcox 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 Arizona.