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Phone Directory 303-290 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 290-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-290 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-2900###
303-2901###
303-2902###
303-2903###
303-2904###
303-2905###
303-2906###
303-2907###
303-2908###
303-2909###