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Phone Directory 303-635 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-635 Denver, CO Qwest Corporation Adams Landline 01/25/1998

Other Series For Prefixes

303-6350###
303-6351###
303-6352###
303-6353###
303-6354###
303-6355###
303-6356###
303-6357###
303-6358###
303-6359###