Basalt CO ZIP Code
Basalt city is located in Colorado State, Eagle County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Basalt CO zip code by its streets and block numbers if we have some of the Basalt streets loaded in our website
Basalt Area Code is 970 and Time Zone is Mountain (GMT -07:00).
Basalt Zip Code - Colorado
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Basalt City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Basalt ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Basalt, Colorado.
The Basalt Zip Code is 81621.
If you want to send a mail to Basalt City, you should use the 81621 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Basalt 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 81621 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Basalt 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.