List of Colorado Zip Codes by City
As of June 2019, the state of Colorado has a total of 657 postal codes. In the table below, you can see all Colorado zip codes listed by city, town and village as well as county affiliated. With 399 cities (and towns) and 64 counties (and county-equivalents), Colorado is the 21st largest state by population (5,540,545) and 8th largest one by land area (268,431 km2) in the United States.
The capital of Colorado is Denver and major cities include Colorado Springs, Aurora, Fort Collins, and Lakewood.