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Phone Directory 303-728 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-728 Denver, CO Teleport Communications America Arapahoe Landline 04/01/1997

Other Series For Prefixes

303-7280###
303-7281###
303-7282###
303-7283###
303-7284###
303-7285###
303-7286###
303-7287###
303-7288###
303-7289###