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Phone Directory 303-665 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-665 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-6650###
303-6651###
303-6652###
303-6653###
303-6654###
303-6655###
303-6656###
303-6657###
303-6658###
303-6659###