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Phone Directory 303-799 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 799-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-799 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-7990###
303-7991###
303-7992###
303-7993###
303-7994###
303-7995###
303-7996###
303-7997###
303-7998###
303-7999###