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Phone Directory 720-345 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (720) 345-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-345 Denver, CO Zippytech Incorporated Jefferson Landline 12/28/2007

Other Series For Prefixes

720-3450###
720-3451###
720-3452###
720-3453###
720-3454###
720-3455###
720-3456###
720-3457###
720-3458###
720-3459###