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Phone Directory 720-931 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (720) 931-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-931 Denver, CO Qwest Corporation Denver Landline 10/13/1999

Other Series For Prefixes

720-9310###
720-9311###
720-9312###
720-9313###
720-9314###
720-9315###
720-9316###
720-9317###
720-9318###
720-9319###