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Phone Directory 303-942 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 942-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-942 Denver, CO Teleport Communications America Arapahoe Landline 01/11/1997

Other Series For Prefixes

303-9420###
303-9421###
303-9422###
303-9423###
303-9424###
303-9425###
303-9426###
303-9427###
303-9428###
303-9429###