81237 ZIP Code
81237 is a zip code assigned by the US Postal Service Office for a US City.
You can search for the 81237 zip code by its streets and block numbers if we have some of the streets loaded in our website
You should use 81237 Zip Code if you want to send mail to a certain US City.
81237 Zip Code - US ZIP Codes
The US ZIP Code basic format consists of five decimal numerical digits assigned like the 81237 Zip Code. An extended ZIP+4 code, introduced in the 1980s, includes the five digits 81237 ZIP code, a hyphen, and four more digits that determine a more specific location within a given ZIP code.
81237 Zip Code belongs to Ohio City, CO - US. 81237 Zip code is located at Gunnison County and is related to this cities: Ohio City
81237 Zip Code Area Code is 970 and 81237 Zip Code Time Zone is Mountain (GMT -07:00).
In 1983, the U.S. Postal Service introduced an expanded Ohio City 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 81237 Zip code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a Ohio City 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.