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: 863

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-863 A Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-863 0 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-863 1 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-863 2 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-863 3 Rapid City SD RPCYSDCOFMD  6701 AERIAL COMMUNICATIONS, INC. 640   2019-11-21   
605-863 4 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2019-08-28   
605-863 5 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2016-07-15   
605-863 6 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2016-07-15   
605-863 7 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2020-10-20   
605-863 8 Rapid City SD   145J TERRA NOVA TELECOM INC. 640   2021-01-26   
605-863 9 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2014-12-26   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.