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Phone Directory 303-934 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 934-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-934 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-9340###
303-9341###
303-9342###
303-9343###
303-9344###
303-9345###
303-9346###
303-9347###
303-9348###
303-9349###