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Phone Directory 303-510 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
303-510 Denver, CO American Messaging (am) Jefferson Cell Number 07/01/1996

Other Series For Prefixes

303-5100###
303-5101###
303-5102###
303-5103###
303-5104###
303-5105###
303-5106###
303-5107###
303-5108###
303-5109###