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Phone Directory 720-880 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-880 Denver, CO Icg Telecom Group Jefferson Landline 10/13/1999

Other Series For Prefixes

720-8800###
720-8801###
720-8802###
720-8803###
720-8804###
720-8805###
720-8806###
720-8807###
720-8808###
720-8809###