Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 616

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-616 A Canton SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640      
605-616 0 Canton SD   939H COMMIO, LLC 640   2023-10-13   
605-616 1 Canton SD   624H ONVOY SPECTRUM, LLC 640   2021-10-30   
605-616 2 Canton SD   939H COMMIO, LLC 640   2023-10-13   
605-616 3 Canton SD   939H COMMIO, LLC 640   2023-10-13   
605-616 4 Canton SD   939H COMMIO, LLC 640   2023-10-13   
605-616 5 Canton SD   939H COMMIO, LLC 640   2023-10-13   
605-616 6 Canton SD   624H ONVOY SPECTRUM, LLC 640   2021-08-22   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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