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Phone Directory 303-850 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-850 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-8500###
303-8501###
303-8502###
303-8503###
303-8504###
303-8505###
303-8506###
303-8507###
303-8508###
303-8509###