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Phone Directory 303-770 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-770 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-7700###
303-7701###
303-7702###
303-7703###
303-7704###
303-7705###
303-7706###
303-7707###
303-7708###
303-7709###