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
605-405 4 Arlington SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-08-13   
605-405 5 Arlington SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-08-28   
605-405 6 Arlington SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-10-30   
605-405 7 Arlington SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-405 8 Arlington SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2023-01-02   
605-405 9 Arlington SD WTTWSDCO0MD  907D INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC. 640   2021-09-12   
605-407 A Martin SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-407 0 Martin SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-04-30   
605-407 1 Martin SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-04-30   
605-407 2 Martin SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-05-22   
605-407 3 Martin SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-05-22   
605-407 7 Martin SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-09-11   
605-407 8 Martin SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-09-11   
605-407 9 Martin SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-09-11   
605-408 A Harrisburg-Tea SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-408 0 Harrisburg-Tea SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-408 1 Harrisburg-Tea SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-408 2 Harrisburg-Tea SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-408 3 Harrisburg-Tea SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-408 4 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2015-01-02   
605-408 5 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2017-11-04   
605-408 6 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2012-12-07   
605-408 7 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-12-16   
605-408 8 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2013-12-16   
605-408 9 Harrisburg-Tea SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-409 A Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-409 0 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2021-01-02   
605-409 1 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-07-08   
605-409 2 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-10-16   
605-409 3 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-07-08   
605-409 4 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-12   
605-409 5 Harrisburg-Tea SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2021-02-12   
605-409 6 Harrisburg-Tea SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2023-01-07   
605-409 7 Harrisburg-Tea SD SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640   2021-07-18   
605-409 8 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2021-08-22   
605-409 9 Harrisburg-Tea SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2023-01-05   
605-410 A Ipswich SD SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640      
605-410 0 Ipswich SD   145J TERRA NOVA TELECOM INC. 640   2025-08-01   
605-410 5 Ipswich SD SXFLSDPSDS0  7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2017-10-15   
605-412 A Huron SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640      
605-412 0 Huron SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2017-03-30   
605-412 1 Huron SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2009-09-24   
605-412 2 Huron SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2010-10-09   
605-412 3 Huron SD SXFLSDCOQMD  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 640   2011-04-29   
605-412 4 Huron SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2010-06-19   
605-412 5 Huron SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2012-07-31   
605-412 6 Huron SD SXFLSDCONMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2010-11-15   
605-412 7 Huron SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2009-06-01   
605-412 8 Huron SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2015-01-04   
605-412 9 Huron SD SXFLSDCOTMD  162G ONVOY, LLC - SD 640   2012-12-19   
605-413 A Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-413 0 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2011-03-22   
605-413 1 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2010-11-22   
605-413 2 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2011-03-22   
605-413 3 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-10-25   
605-413 4 Sioux Falls SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-413 5 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-10-25   
605-413 6 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-10-25   
605-413 7 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2007-01-28   
605-413 8 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2007-03-17   
605-413 9 Sioux Falls SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2007-03-17   
605-414 A Castlewood SD CLLKSDXA0MD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640      
605-414 1 Castlewood SD CLLKSDXA0MD  920F MCC TELEPHONY OF THE MID-WEST, LLC - SD 640   2010-09-26   
605-414 4 Castlewood SD   145J TERRA NOVA TELECOM INC. 640   2025-08-01   
605-415 A Rapid City SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-415 0 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-02-10   
605-415 1 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-02-16   
605-415 2 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-03-29   
605-415 3 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-06-19   
605-415 4 Rapid City SD SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-415 5 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-08-07   
605-415 6 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2006-09-30   
605-415 7 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2007-01-14   
605-415 8 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2007-04-02   
605-415 9 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2007-07-15   
605-416 A Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640      
605-416 0 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2021-07-26   
605-416 1 Rapid City SD SXFLSDCOX9X  6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2022-06-29   
605-416 2 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-08-29   
605-416 3 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-08-29   
605-416 4 Rapid City SD RPCYSDCOGMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2021-10-21   
605-416 5 Rapid City SD SXFLSDPS1MD  939H COMMIO, LLC 640   2021-10-14   
605-416 6 Rapid City SD SXFLSDPS1MD  939H COMMIO, LLC 640   2021-10-14   
605-416 7 Rapid City SD SXFLSDPS1MD  939H COMMIO, LLC 640   2021-10-14   
605-416 8 Rapid City SD SXFLSDPS1MD  939H COMMIO, LLC 640   2021-10-14   
605-416 9 Rapid City SD SXFLSDCHIMD  106F BANDWIDTH.COM CLEC, LLC - SD 640   2022-08-29   
605-417 A Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640      
605-417 0 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 1 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 2 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 3 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 4 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 5 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 6 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 7 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 8 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-417 9 Fort Thompson SD FTTHSDXADS2  424F NATIVE AMERICAN TELECOM, LLC - SD 640   2017-05-04   
605-418 A Aberdeen SD SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640      
605-418 0 Aberdeen SD SXFLSDPS1MD  939H COMMIO, LLC 640   2022-07-30   
605-418 1 Aberdeen SD SXFLSDCHMMD  5562 METROPCS, INC. 640   2021-06-15   

<< 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: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.