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Phone Directory 720-917 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-917 Denver, CO Qwest Corporation Denver Landline 07/22/1999

Other Series For Prefixes

720-9170###
720-9171###
720-9172###
720-9173###
720-9174###
720-9175###
720-9176###
720-9177###
720-9178###
720-9179###