Zip code 80503

Zip code 80503, CO

The zip code 80503, type standard, belongs to the following denominations: Longmont y Niwot . It is part of the county Boulder County, state of Colorado. It has an estimated population of 32000.

The postal code 80503 has several names. If you are going to use the postal service be sure to use only those denominations marked as official (Longmont) or acceptable (Niwot).