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Phone Directory 303-813 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-813 Denver, CO Qwest Corporation Denver Landline 01/10/1996

Other Series For Prefixes

303-8130###
303-8131###
303-8132###
303-8133###
303-8134###
303-8135###
303-8136###
303-8137###
303-8138###
303-8139###