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Phone Directory 303-975 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 975-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-975 Denver, CO Qwest Corporation Denver Landline 01/10/1996

Other Series For Prefixes

303-9750###
303-9751###
303-9752###
303-9753###
303-9754###
303-9755###
303-9756###
303-9757###
303-9758###
303-9759###