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Phone Directory 720-570 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-570 Denver, CO Qwest Corporation Denver Landline 10/13/1999

Other Series For Prefixes

720-5700###
720-5701###
720-5702###
720-5703###
720-5704###
720-5705###
720-5706###
720-5707###
720-5708###
720-5709###