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Phone Directory 720-340 Detail

State Major City Time Zone
Colorado Denver Mountain

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
720-340 Longmont, CO Cellco Partnership DBA Verizon Wireless Boulder Cell Number 09/04/2009

Other Series For Prefixes

720-3400###
720-3401###
720-3402###
720-3403###
720-3404###
720-3405###
720-3406###
720-3407###
720-3408###
720-3409###