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Phone Directory 303-405 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-405 Denver, CO Qwest Corporation Denver Landline 04/15/1996

Other Series For Prefixes

303-4050###
303-4051###
303-4052###
303-4053###
303-4054###
303-4055###
303-4056###
303-4057###
303-4058###
303-4059###