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Phone Directory 303-412 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-412 Denver, CO Qwest Corporation Adams Landline 01/10/1996

Other Series For Prefixes

303-4120###
303-4121###
303-4122###
303-4123###
303-4124###
303-4125###
303-4126###
303-4127###
303-4128###
303-4129###