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Phone Directory 720-305 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (720) 305-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-305 Denver, CO Tw Telecom Of Colorado LLC Jefferson Landline 01/29/2001

Other Series For Prefixes

720-3050###
720-3051###
720-3052###
720-3053###
720-3054###
720-3055###
720-3056###
720-3057###
720-3058###
720-3059###