Tag Archives: COLORADO PHONE GUIDES

BEST COLORADO AREA CODES, CALLING TO CODE +1

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Colorado area codes, country 1, phone prefixes, call Colorado from another country: 1st international code, 2nd country number, 3rd area code. More indicative of country areas for calls are: zone code, city code and intercity code for national calls. Country Abbreviation: US – CO CALLING LANDLINE PHONES: International calls: 00 1 (area code) (7 landline… Read More »