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Phone Directory 303-563 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 563-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-563 Denver, CO Icg Telecom Group Denver Landline 04/01/1997

Other Series For Prefixes

303-5630###
303-5631###
303-5632###
303-5633###
303-5634###
303-5635###
303-5636###
303-5637###
303-5638###
303-5639###