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Phone Directory 720-310 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (720) 310-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-310 Lyons, CO Teleport Communications America Larimer Landline 05/10/1999

Other Series For Prefixes

720-3100###
720-3101###
720-3102###
720-3103###
720-3104###
720-3105###
720-3106###
720-3107###
720-3108###
720-3109###