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Phone Directory 303-291 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-291 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-2910###
303-2911###
303-2912###
303-2913###
303-2914###
303-2915###
303-2916###
303-2917###
303-2918###
303-2919###