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Phone Directory 720-540 Detail

State Major City Time Zone
Colorado Denver Mountain

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Example: (720) 540-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-540 Denver, CO Qwest Corporation Adams Landline 05/10/1999

Other Series For Prefixes

720-5400###
720-5401###
720-5402###
720-5403###
720-5404###
720-5405###
720-5406###
720-5407###
720-5408###
720-5409###