ZIP Code 80305 is located in the county of Boulder in the state of Colorado. 80305 ZIP Code is spread between the coordinates of +39.9811916 Latitude and -105.25197567 Longitude. 80305 ZIP Code is part of the 303 area code. There is 1 postal office in zip code 80305.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 80305. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.