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Phone Directory 303-277 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-277 Golden, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-2770###
303-2771###
303-2772###
303-2773###
303-2774###
303-2775###
303-2776###
303-2777###
303-2778###
303-2779###