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Phone Directory 303-971 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 971-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-971 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-9710###
303-9711###
303-9712###
303-9713###
303-9714###
303-9715###
303-9716###
303-9717###
303-9718###
303-9719###