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Phone Directory 720-977 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-977 Denver, CO Qwest Corporation Adams Landline 01/14/2000

Other Series For Prefixes

720-9770###
720-9771###
720-9772###
720-9773###
720-9774###
720-9775###
720-9776###
720-9777###
720-9778###
720-9779###