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Phone Directory 720-389 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (720) 389-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-389 Denver, CO Xo Colorado Jefferson Landline 11/17/2008

Other Series For Prefixes

720-3890###
720-3891###
720-3892###
720-3893###
720-3894###
720-3895###
720-3896###
720-3897###
720-3898###
720-3899###