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Phone Directory 720-974 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-974 Denver, CO Eschelon Telecom Of Colorado Jefferson Landline 10/31/2000

Other Series For Prefixes

720-9740###
720-9741###
720-9742###
720-9743###
720-9744###
720-9745###
720-9746###
720-9747###
720-9748###
720-9749###