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Phone Directory 303-286 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-286 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-2860###
303-2861###
303-2862###
303-2863###
303-2864###
303-2865###
303-2866###
303-2867###
303-2868###
303-2869###