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Phone Directory 720-304 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (720) 304-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-304 Denver, CO Qwest Corporation Jefferson Landline 02/27/1999

Other Series For Prefixes

720-3040###
720-3041###
720-3042###
720-3043###
720-3044###
720-3045###
720-3046###
720-3047###
720-3048###
720-3049###