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Phone Directory 303-730 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-730 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-7300###
303-7301###
303-7302###
303-7303###
303-7304###
303-7305###
303-7306###
303-7307###
303-7308###
303-7309###