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Phone Directory 303-417 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 417-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-417 Denver, CO Qwest Corporation Jefferson Landline 07/04/1995

Other Series For Prefixes

303-4170###
303-4171###
303-4172###
303-4173###
303-4174###
303-4175###
303-4176###
303-4177###
303-4178###
303-4179###