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.

NPA: 605 [Rate centres in NPA 605] [Dial plan for NPA 605]

NXX: 597

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-597 A Mitchell SD MTCHSDCORS1  9631 QWEST CORPORATION 640      
605-597 0 Mitchell SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-597 1 Mitchell SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-597 3 Mitchell SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-597 4 Mitchell SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-597 5 Mitchell SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-597 6 Mitchell SD SXFLSDCOLMD  508J CENTURYLINK COMMUNICATIONS, LLC 640      
605-597 7 Mitchell SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-597 8 Mitchell SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-597 9 Mitchell SD MTCHSDCORS1  9631 QWEST CORPORATION 640      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.