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Phone Directory 720-535 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-535 Denver, CO Teleport Communications America Arapahoe Landline 02/27/1999

Other Series For Prefixes

720-5350###
720-5351###
720-5352###
720-5353###
720-5354###
720-5355###
720-5356###
720-5357###
720-5358###
720-5359###