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]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
605-492 4 Bristol SD BRSTSDXARS1  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-492 5 Bristol SD BRSTSDXARS1  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-492 6 Bristol SD BRSTSDXARS1  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-492 7 Bristol SD ABRDSDCO0MD  815E JAMES VALLEY WIRELESS, LLC 640      
605-492 8 Bristol SD BRSTSDXARS1  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-492 9 Bristol SD BRSTSDXARS1  1664 JAMES VALLEY COOPERATIVE TELEPHONE COMPANY 640      
605-493 A Langford SD BRTNSDXADS0  1680 VENTURE COMMUNICATIONS COOPERATIVE 640      
605-494 A Pierre SD PIRRSD15GT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-495 A Forestburg SD WNSCSDXADS0  1676 SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD 640      
605-496 A Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-496 0 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2009-02-14   
605-496 1 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2009-10-25   
605-496 2 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2009-10-25   
605-496 3 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2009-10-25   
605-496 4 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2010-03-21   
605-496 5 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2010-03-21   
605-496 6 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2010-03-21   
605-496 7 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2010-07-15   
605-496 8 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2011-03-29   
605-496 9 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2012-05-05   
605-497 A Wolsey SD HURNSDAXGT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-498 A Harrisburg-Tea SD VBRGSDAADS0  7024 CLARITY TELECOM, LLC DBA BLUEPEAK 640      
605-499 A Sturgis SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-499 0 Sturgis SD   6701 AERIAL COMMUNICATIONS, INC. 640   2025-06-17   
605-499 1 Sturgis SD   145J TERRA NOVA TELECOM INC. 640   2023-08-06   
605-499 2 Sturgis SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-03-13   
605-499 3 Sturgis SD SXFLSDCOXMD  693G TELEPORT COMMUNICATIONS AMERICA SD-LLC 640   2020-08-26   
605-499 4 Sturgis SD SXFLSDPS0MD  073H TELNYX LLC 640   2019-09-29   
605-499 5 Sturgis SD   6701 AERIAL COMMUNICATIONS, INC. 640   2025-03-07   
605-499 7 Sturgis SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-09-15   
605-499 8 Sturgis SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-499 9 Sturgis SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-500 A Yankton SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-501 A Sioux Falls SD SXFLSDCHDS2  071J WIDE VOICE, LLC - SD 640      
605-501 0 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-03-22   
605-501 1 Sioux Falls SD SXFLSDCHDS2  071J WIDE VOICE, LLC - SD 640   2019-12-19   
605-501 2 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-03-22   
605-501 3 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-03-22   
605-501 4 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2022-06-25   
605-501 5 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-08-20   
605-501 6 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-08-20   
605-501 7 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-07-19   
605-501 8 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-07-19   
605-501 9 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-07-19   
605-502 A Pierre SD SXFLSDCOX2X  073H TELNYX LLC 640      
605-502 0 Pierre SD SXFLSDCOX2X  073H TELNYX LLC 640   2021-12-09   
605-502 1 Pierre SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-11-03   
605-502 2 Pierre SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2023-09-23   
605-502 3 Pierre SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-12-14   
605-502 4 Pierre SD   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2025-07-15   
605-503 A Rapid City SD SXFLSDPS8MD  490J DISH WIRELESS, LLC 640   2024-01-15   
605-503 0 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2023-09-19   
605-503 1 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2023-07-07   
605-503 2 Rapid City SD RPCYSDCOFMD  6701 AERIAL COMMUNICATIONS, INC. 640   2022-09-09   
605-503 3 Rapid City SD RPCYSDCOFMD  6701 AERIAL COMMUNICATIONS, INC. 640   2022-09-09   
605-503 4 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-07-17   
605-503 5 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-12-25   
605-503 6 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-11-17   
605-503 7 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-11-17   
605-503 8 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-11-17   
605-503 9 Rapid City SD SXFLSDPS8MD  490J DISH WIRELESS, LLC 640   2022-03-03   
605-504 A Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640      
605-504 0 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 1 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 2 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 3 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 4 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 5 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 6 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 7 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 8 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-504 9 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2016-10-15   
605-505 A Parkston SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-505 0 Parkston SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2005-12-26   
605-505 1 Parkston SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-11-15   
605-505 5 Parkston SD   145J TERRA NOVA TELECOM INC. 640   2025-08-01   
605-506 A Worthing SD SXFLSDPS8MD  490J DISH WIRELESS, LLC 640      
605-506 9 Worthing SD SXFLSDPS8MD  490J DISH WIRELESS, LLC 640   2022-10-02   
605-509 A Sioux Falls SD SXFLSDCO1ED  9631 QWEST CORPORATION 640      
605-510 A Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-510 0 Rapid City SD RPCYSDCOFMD  6701 AERIAL COMMUNICATIONS, INC. 640   2022-09-09   
605-510 1 Rapid City SD SXFLSDPS5MD  145J TERRA NOVA TELECOM INC. 640   2024-02-15   
605-510 2 Rapid City SD RPCYSDCOFMD  6701 AERIAL COMMUNICATIONS, INC. 640   2022-09-09   
605-510 3 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-11-27   
605-510 4 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-11-27   
605-510 5 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-11-27   
605-510 6 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-11-27   
605-510 7 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-11-27   
605-510 8 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-11-27   
605-510 9 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-11-27   
605-512 A New Underwood SD SXFLSDPS8MD  490J DISH WIRELESS, LLC 640      
605-512 8 New Underwood SD SXFLSDPS8MD  490J DISH WIRELESS, LLC 640   2023-04-05   
605-513 A Rapid City SD SXFLSDCHDMD  732J NUSO, LLC 640      
605-513 0 Rapid City SD SXFLSDPS1MD  939H COMMIO, LLC 640   2024-03-03   
605-513 1 Rapid City SD SXFLSDCHDMD  732J NUSO, LLC 640   2023-04-03   
605-513 2 Rapid City SD SXFLSDCHDMD  732J NUSO, LLC 640   2024-01-06   
605-513 3 Rapid City SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2024-01-20   
605-513 4 Rapid City SD SXFLSDCHDMD  732J NUSO, LLC 640   2024-01-06   
605-513 5 Rapid City SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2024-02-09   
605-513 6 Rapid City SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2024-02-09   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 >>

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.