Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Lake Preston, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-203 A SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-203 0 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-203 1 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-203 2   145J TERRA NOVA TELECOM INC. 640      
605-203 3 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-203 4 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-525 A SXFLSDCOX6X  363J VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM 640      
605-525 0 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-525 1 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-525 2 SXFLSDCOX6X  363J VALLEY COMMUNICATIONS, INC. D/B/A VALLEY FIBERCOM 640      
605-525 3 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-525 4 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-525 5 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-525 6 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-525 8 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-525 9 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-620 A SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-620 0 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-620 1 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-620 2 SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-620 6 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-620 7 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-620 9 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-632 A SXFLSDCOWMD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-632 1 SXFLSDCOWMD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-847 A LKPRSDCORS1  9631 QWEST CORPORATION 640      
605-847 0 LKPRSDCORS1  9631 QWEST CORPORATION 640      
605-847 1 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-847 2 SXFLSDPS0MD  073H TELNYX LLC 640      
605-847 3 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-847 4 LKPRSDCORS1  9631 QWEST CORPORATION 640      
605-847 5 LKPRSDCORS1  9631 QWEST CORPORATION 640      
605-847 6 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-847 7 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-847 8 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.