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Phone Directory 303-639 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-639 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-6390###
303-6391###
303-6392###
303-6393###
303-6394###
303-6395###
303-6396###
303-6397###
303-6398###
303-6399###