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Phone Directory 303-645 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 645-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-645 Denver, CO Qwest Corporation Jefferson Landline 07/01/1996

Other Series For Prefixes

303-6450###
303-6451###
303-6452###
303-6453###
303-6454###
303-6455###
303-6456###
303-6457###
303-6458###
303-6459###