Mack CO ZIP Code
Mack city is located in Colorado State, Mesa County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Mack CO zip code by its streets and block numbers if we have some of the Mack streets loaded in our website
Mack Area Code is 970 and Time Zone is Mountain (GMT -07:00).
Mack Zip Code - Colorado
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Mack City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Mack ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Mack, Colorado.
The Mack Zip Code is 81525.
If you want to send a mail to Mack City, you should use the 81525 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Mack 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 81525 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Mack 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 Colorado.