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Phone Directory 720-644 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-644 Denver, CO Mcleodusa Telecommunications Services- Co Denver Landline 04/01/2011

Other Series For Prefixes

720-6440###
720-6441###
720-6442###
720-6443###
720-6444###
720-6445###
720-6446###
720-6447###
720-6448###
720-6449###