Blanca CO ZIP Code
Blanca city is located in Colorado State, Costilla County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Blanca CO zip code by its streets and block numbers if we have some of the Blanca streets loaded in our website
Blanca Area Code is 719 and Time Zone is Mountain (GMT -07:00).
Blanca Zip Code - Colorado
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Blanca City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Blanca ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Blanca, Colorado.
The Blanca Zip Code is 81123.
If you want to send a mail to Blanca City, you should use the 81123 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Blanca 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 81123 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Blanca 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.