Antonito CO ZIP Code
Antonito city is located in Colorado State, Conejos County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Antonito CO zip code by its streets and block numbers if we have some of the Antonito streets loaded in our website
Antonito Area Code is 719 and Time Zone is Mountain (GMT -07:00).
Antonito Zip Code - Colorado
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Antonito City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Antonito ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Antonito, Colorado.
The Antonito Zip Code is 81120.
If you want to send a mail to Antonito City, you should use the 81120 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Antonito 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 81120 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Antonito 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.