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.

Madison, SD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-256 A MDSNSDCERS1  9631 QWEST CORPORATION 640      
605-270 A SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-270 0 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-270 1 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-270 2 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-270 3 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-270 4 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-270 5 SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-270 6   145J TERRA NOVA TELECOM INC. 640      
605-270 7 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-270 8 SXFLSDPS0MD  073H TELNYX LLC 640      
605-270 9 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-291 A SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-291 0 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-291 1 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-291 2 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-291 3 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-291 4 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-291 5 SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640      
605-291 6 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-291 7 SXFLSDCOLMD  508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-291 8 SXFLSDCOX1X  073H TELNYX LLC 640      
605-291 9 SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-427 A MDSNSDARDS0  7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-480 A SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-480 0 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-480 1 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-480 2 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-480 3 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-480 4 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-480 5 SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-480 6 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-480 7 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-480 8 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-480 9 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-556 A SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 0 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 1 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 2 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 3 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 4 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 5 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 6 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-556 7 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 8 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-556 9 SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-621 A WTTWSDCO0MD  907D INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC. 640      
605-621 0 SXFLSDCOX1X  073H TELNYX LLC 640      
605-621 1 SXFLSDPS1MD  939H COMMIO, LLC 640      
605-621 2 SXFLSDPS1MD  939H COMMIO, LLC 640      
605-621 3 SXFLSDPS1MD  939H COMMIO, LLC 640      
605-621 4 SXFLSDPS1MD  939H COMMIO, LLC 640      
605-621 5 SXFLSDPS1MD  939H COMMIO, LLC 640      
605-621 7   162G ONVOY, LLC - SD 640      
605-621 8   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-621 9 WTTWSDCO0MD  907D INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC. 640      
605-636 A MDSNSDCERS1  9631 QWEST CORPORATION 640      
605-636 0 MDSNSDCERS1  9631 QWEST CORPORATION 640      
605-636 1 SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-636 2 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-636 3 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-636 4 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-636 5 SXFLSDCOQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 640      
605-636 6 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-636 7 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-636 8 SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-636 9 MDSNSDCERS1  9631 QWEST CORPORATION 640      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.