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: 566

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-566 A Spearfish SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-566 0 Spearfish SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2019-05-24   
605-566 3 Spearfish SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-03-13   
605-566 4 Spearfish SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-03-13   
605-566 5 Spearfish SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-07-13   
605-566 6 Spearfish SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-07-13   
605-566 7 Spearfish SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2009-07-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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