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Phone Directory 303-977 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-977 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-9770###
303-9771###
303-9772###
303-9773###
303-9774###
303-9775###
303-9776###
303-9777###
303-9778###
303-9779###