Round Rock AZ ZIP Code
Round Rock city is located in Arizona State, Apache County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Round Rock AZ zip code by its streets and block numbers if we have some of the Round Rock streets loaded in our website
Round Rock Area Code is 928 and Time Zone is Mountain (GMT -07:00).
Round Rock Zip Code - Arizona
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Round Rock City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Round Rock ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Round Rock, Arizona.
The Round Rock Zip Code is 86547.
If you want to send a mail to Round Rock City, you should use the 86547 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Round Rock 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 86547 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Round Rock 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.