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
605-787 4 Rapid City SD BLHKSDCERS1  9631 QWEST CORPORATION 640      
605-787 5 Rapid City SD BLHKSDCERS1  9631 QWEST CORPORATION 640      
605-787 6 Rapid City SD BLHKSDCERS1  9631 QWEST CORPORATION 640      
605-787 7 Rapid City SD BLHKSDCERS1  9631 QWEST CORPORATION 640      
605-787 8 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2011-05-25   
605-787 9 Rapid City SD BLHKSDCERS1  9631 QWEST CORPORATION 640      
605-788 A Meadow SD BISNSDXADS0  1689 WEST RIVER COOPERATIVE TELEPHONE COMPANY 640      
605-789 A Sioux Falls SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-789 0 Sioux Falls SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-10-02   
605-789 1 Sioux Falls SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2011-06-17   
605-789 2 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2011-06-18   
605-789 3 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2011-06-18   
605-789 4 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2011-06-18   
605-789 5 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2012-04-10   
605-789 6 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2013-11-29   
605-789 7 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-09-15   
605-789 8 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2011-10-28   
605-789 9 Sioux Falls SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-09-06   
605-791 A Rapid City SD RPCYSDIPGT0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-792 A Hayti SD CLLKSDXA0MD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-792 1 Hayti SD CLLKSDXA0MD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640   2010-09-26   
605-793 A Castlewood SD CLLKSDXADS0  1651 INTERSTATE TELECOM COOP, INC. - SD 640      
605-794 A Toronto SD CLLKSDXADS0  1651 INTERSTATE TELECOM COOP, INC. - SD 640      
605-795 A Goodwin SD CLLKSDXADS0  1651 INTERSTATE TELECOM COOP, INC. - SD 640      
605-796 A Woonsocket SD WNSCSDXADS0  1676 SANTEL COMMUNICATIONS COOPERATIVE, INC. - SD 640      
605-797 A Camp Crook SD BISNSDXADS0  1689 WEST RIVER COOPERATIVE TELEPHONE COMPANY 640      
605-798 A Wicksville SD WALLSDXADS0  1659 GOLDEN WEST TEL COOP INC DBA GOLDEN WEST TELECOMM 640      
605-799 A Sioux Falls SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-799 0 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2015-12-08   
605-799 1 Sioux Falls SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640   2015-10-15   
605-799 2 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2015-12-08   
605-799 3 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2017-11-24   
605-799 4 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2016-05-14   
605-799 5 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2017-11-24   
605-799 6 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2015-12-28   
605-799 7 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2016-01-04   
605-799 8 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2019-04-20   
605-799 9 Sioux Falls SD SXFLSDCOXUX  478J NUSO, LLC 640   2024-01-06   
605-800 A Sioux Falls SD SXFLSDPS5MD  145J TERRA NOVA TELECOM INC. 640      
605-800 0 Sioux Falls SD   145J TERRA NOVA TELECOM INC. 640   2019-02-10   
605-800 1 Sioux Falls SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2019-07-11   
605-800 2 Sioux Falls SD   6701 AERIAL COMMUNICATIONS, INC. 640   2025-05-28   
605-800 3 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2019-08-13   
605-800 4 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-18   
605-800 5 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-18   
605-800 6 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-18   
605-800 7 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-18   
605-800 8 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-18   
605-801 A Belle Fourche SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-801 0 Belle Fourche SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2021-10-01   
605-801 1 Belle Fourche SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-10-02   
605-801 2 Belle Fourche SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-10-02   
605-801 8 Belle Fourche SD   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2025-05-16   
605-804 A Castlewood SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-805 A Pierre SD SXFLSDCHMMD  5562 METROPCS, INC. 640      
605-805 2 Pierre SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2022-10-14   
605-805 8 Pierre SD SXFLSDPS5MD  145J TERRA NOVA TELECOM INC. 640   2024-02-15   
605-805 9 Pierre SD SXFLSDCHMMD  5562 METROPCS, INC. 640   2021-11-08   
605-808 A Redfield SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640      
605-808 0 Redfield SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-09-20   
605-808 1 Redfield SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-02-25   
605-808 2 Redfield SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-808 7 Redfield SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-09-16   
605-808 8 Redfield SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-09-16   
605-808 9 Redfield SD SXFLSDCOX1X  073H TELNYX LLC 640   2023-06-19   
605-809 A Sioux Falls SD SXFLSDCHLMD  732J NUSO, LLC 640      
605-809 0 Sioux Falls SD SXFLSDCOXUX  478J NUSO, LLC 640   2024-01-06   
605-809 1 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2014-10-15   
605-809 2 Sioux Falls SD SXFLSDCODS2  9631 QWEST CORPORATION 640   2013-02-13   
605-809 3 Sioux Falls SD SXFLSDCOQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 640   2012-04-09   
605-809 4 Sioux Falls SD SXFLSDCOQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 640   2014-02-28   
605-809 5 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2013-05-15   
605-809 6 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2013-05-22   
605-809 7 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2013-05-29   
605-809 8 Sioux Falls SD SXFLSDCOQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 640   2014-06-05   
605-809 9 Sioux Falls SD SXFLSDCHLMD  732J NUSO, LLC 640   2023-10-06   
605-812 A Sioux Falls SD SXFLSDPS8MD  490J DISH WIRELESS, LLC 640      
605-812 0 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2022-11-12   
605-812 1 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2022-11-12   
605-812 2 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2022-11-12   
605-812 3 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2022-11-12   
605-812 4 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2022-11-12   
605-812 5 Sioux Falls SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2022-11-12   
605-812 6 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2022-11-12   
605-812 7 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2022-11-12   
605-812 8 Sioux Falls SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2022-11-12   
605-812 9 Sioux Falls SD SXFLSDPS8MD  490J DISH WIRELESS, LLC 640   2021-08-13   
605-815 A Chamberlain SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640      
605-815 0 Chamberlain SD SXFLSDPS0MD  073H TELNYX LLC 640   2019-09-23   
605-815 1 Chamberlain SD SXFLSDPSDS1  580H AIRUS, INC. - SD 640   2019-06-28   
605-815 2 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-07-08   
605-815 3 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-12-07   
605-815 4 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-12-07   
605-815 5 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-08-21   
605-815 6 Chamberlain SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2020-08-21   
605-815 7 Chamberlain SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-07-18   
605-815 8 Chamberlain SD   580H AIRUS, INC. - SD 640   2025-05-12   
605-815 9 Chamberlain SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-818 A Watertown SD NWEFSDXADS1  683C RC COMMUNICATIONS, INC. - SD 640      
605-820 A Huron SD SXFLSDCHSMD  939H COMMIO, LLC 640      

<< 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: VoIP.ms

Like this site? We accept donations via PayPal.