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Phone Directory 303-387 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 387-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-387 Denver, CO Mcleodusa Telecommunications Services- Co Denver Landline 04/01/1997

Other Series For Prefixes

303-3870###
303-3871###
303-3872###
303-3873###
303-3874###
303-3875###
303-3876###
303-3877###
303-3878###
303-3879###