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Phone Directory 303-384 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-384 Golden, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-3840###
303-3841###
303-3842###
303-3843###
303-3844###
303-3845###
303-3846###
303-3847###
303-3848###
303-3849###