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Phone Directory 303-744 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-744 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-7440###
303-7441###
303-7442###
303-7443###
303-7444###
303-7445###
303-7446###
303-7447###
303-7448###
303-7449###