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Phone Directory 303-279 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-279 Golden, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-2790###
303-2791###
303-2792###
303-2793###
303-2794###
303-2795###
303-2796###
303-2797###
303-2798###
303-2799###