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Phone Directory 303-688 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-688 Denver, CO Qwest Corporation Jefferson Landline 02/04/1994

Other Series For Prefixes

303-6880###
303-6881###
303-6882###
303-6883###
303-6884###
303-6885###
303-6886###
303-6887###
303-6888###
303-6889###