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Phone Directory 720-600 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-600 Longmont, CO 360networks (usa) Inc. Boulder Landline 12/20/2012

Other Series For Prefixes

720-6000###
720-6001###
720-6002###
720-6003###
720-6004###
720-6005###
720-6006###
720-6007###
720-6008###
720-6009###