Allenspark CO ZIP Code
Allenspark city is located in Colorado State, Boulder County and has a unique zip code assigned by the US Postal Service Office.
You can search for the Allenspark CO zip code by its streets and block numbers if we have some of the Allenspark streets loaded in our website
Allenspark Area Code is 303/720 and Time Zone is Mountain (GMT -07:00).
Allenspark Zip Code - Colorado
The US ZIP Code basic format consists of five decimal numerical digits assigned to the Allenspark City. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the Allenspark ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code in Allenspark, Colorado.
The Allenspark Zip Code is 80510.
If you want to send a mail to Allenspark City, you should use the 80510 Zip Code.
In 1983, the U.S. Postal Service introduced an expanded Allenspark 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 80510 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Allenspark 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.