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Phone Directory 720-836 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-836 Denver, CO Icg Telecom Group Jefferson Landline 10/13/1999

Other Series For Prefixes

720-8360###
720-8361###
720-8362###
720-8363###
720-8364###
720-8365###
720-8366###
720-8367###
720-8368###
720-8369###