Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Cavour, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-599 A CAVRSDCORS1  9631 QWEST CORPORATION 640      
605-599 0 CAVRSDCORS1  9631 QWEST CORPORATION 640      
605-599 1 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2012-12-19   
605-599 2 CAVRSDCORS1  9631 QWEST CORPORATION 640      
605-599 3 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2019-09-13   
605-599 4 SXFLSDPS0MD  073H TELNYX LLC 640   2019-09-29   
605-599 5 SXFLSDCOLMD  508J CENTURYLINK COMMUNICATIONS, LLC 640   2017-06-07   
605-599 6 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-12-18   
605-599 7 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2009-07-13   
605-599 8 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2012-02-23   
605-599 9 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-12-18   
605-634 A SXFLSDPSCMD  516J TON80 COMMUNICATIONS, LLC 640      
605-634 0 SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2023-08-20   
605-634 1 SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-634 2 SXFLSDPSCMD  516J TON80 COMMUNICATIONS, LLC 640   2022-03-16   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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