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Phone Directory 303-788 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 788-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-788 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-7880###
303-7881###
303-7882###
303-7883###
303-7884###
303-7885###
303-7886###
303-7887###
303-7888###
303-7889###