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Phone Directory 303-674 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-674 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-6740###
303-6741###
303-6742###
303-6743###
303-6744###
303-6745###
303-6746###
303-6747###
303-6748###
303-6749###