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Phone Directory 720-587 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (720) 587-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-587 Denver, CO AT&T Local Denver Landline 02/27/1999

Other Series For Prefixes

720-5870###
720-5871###
720-5872###
720-5873###
720-5874###
720-5875###
720-5876###
720-5877###
720-5878###
720-5879###