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Phone Directory 303-863 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-863 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-8630###
303-8631###
303-8632###
303-8633###
303-8634###
303-8635###
303-8636###
303-8637###
303-8638###
303-8639###