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Phone Directory 303-935 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 935-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-935 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-9350###
303-9351###
303-9352###
303-9353###
303-9354###
303-9355###
303-9356###
303-9357###
303-9358###
303-9359###