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Phone Directory 303-512 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-512 Denver, CO Qwest Corporation Denver Landline 01/10/1996

Other Series For Prefixes

303-5120###
303-5121###
303-5122###
303-5123###
303-5124###
303-5125###
303-5126###
303-5127###
303-5128###
303-5129###