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Phone Directory 303-735 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 735-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-735 Denver, CO Qwest Corporation Jefferson Landline 04/01/1997

Other Series For Prefixes

303-7350###
303-7351###
303-7352###
303-7353###
303-7354###
303-7355###
303-7356###
303-7357###
303-7358###
303-7359###