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Phone Directory 720-855 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-855 Denver, CO Qwest Corporation Denver Landline 07/22/1999

Other Series For Prefixes

720-8550###
720-8551###
720-8552###
720-8553###
720-8554###
720-8555###
720-8556###
720-8557###
720-8558###
720-8559###