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Phone Directory 303-371 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-371 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-3710###
303-3711###
303-3712###
303-3713###
303-3714###
303-3715###
303-3716###
303-3717###
303-3718###
303-3719###