List of Colorado area codes

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Area code 970Area codes 303 and 720Area code 719Area code 785Area code 308Area code 307Area code 435Area code 928Area code 575Area code 505Area code 580Area code 620
Clickable map of Colorado area codes in blue (with border states).[1]

The state of Colorado is served by the following area codes:

  1. ^ "Area Codes Map, Colorado". NANPA. Retrieved 2018-04-24.