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Phone Directory 303-398 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-398 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-3980###
303-3981###
303-3982###
303-3983###
303-3984###
303-3985###
303-3986###
303-3987###
303-3988###
303-3989###