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Phone Directory 303-973 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (303) 973-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-973 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-9730###
303-9731###
303-9732###
303-9733###
303-9734###
303-9735###
303-9736###
303-9737###
303-9738###
303-9739###