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Phone Directory 720-387 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-387 Denver, CO Tw Telecom Of Colorado LLC Jefferson Landline 09/04/2012

Other Series For Prefixes

720-3870###
720-3871###
720-3872###
720-3873###
720-3874###
720-3875###
720-3876###
720-3877###
720-3878###
720-3879###