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Phone Directory 303-585 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 585-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-585 Denver, CO Qwest Corporation Denver Landline 02/04/1994

Other Series For Prefixes

303-5850###
303-5851###
303-5852###
303-5853###
303-5854###
303-5855###
303-5856###
303-5857###
303-5858###
303-5859###