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Phone Directory 303-528 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 528-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-528 Denver, CO American Messaging (am) Jefferson Cell Number 02/04/1994

Other Series For Prefixes

303-5280###
303-5281###
303-5282###
303-5283###
303-5284###
303-5285###
303-5286###
303-5287###
303-5288###
303-5289###