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Phone Directory 303-899 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-899 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-8990###
303-8991###
303-8992###
303-8993###
303-8994###
303-8995###
303-8996###
303-8997###
303-8998###
303-8999###