Cities of Colorado

This page contains reference information about the locality name and codes of telephones of the State Colorado. You can also select the desired town or city in US, the next page allows you to select the required range of numbers. To view information on a concrete phone number, use the "Search" field.
Aurora +1331 331
Denver +1303 303
Denver +1720 720
Grand Junction +1970 970
Pueblo +1719 719
Colorado
Last view range:
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