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.

Sioux Falls, SD

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
605-595 6   6701 AERIAL COMMUNICATIONS, INC. 640   2007-08-13   
605-595 7   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2008-05-18   
605-595 8   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2008-05-18   
605-595 9   7421 AT&T - LOCAL 640      
605-601 A SXFLSDCOXWX  506J TWILIO INTERNATIONAL, INC. 640      
605-601 0   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2023-11-22   
605-601 1   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2023-11-22   
605-601 2   5562 METROPCS, INC. 640   2021-05-12   
605-601 3   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-01-19   
605-601 4   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-01-19   
605-601 5   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2022-07-31   
605-601 6   506J TWILIO INTERNATIONAL, INC. 640   2020-12-21   
605-601 7   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-01-19   
605-601 8   073H TELNYX LLC 640   2023-03-17   
605-601 9   073H TELNYX LLC 640   2023-03-17   
605-606 A SXFLSDCOX0X  624H ONVOY SPECTRUM, LLC 640      
605-606 0   7076 MIDCONTINENT COMMUNICATIONS. - SD 640   2021-06-21   
605-606 1   624H ONVOY SPECTRUM, LLC 640   2021-10-30   
605-606 2   197D VONAGE AMERICA LLC 640   2021-08-30   
605-606 3   624H ONVOY SPECTRUM, LLC 640   2020-07-06   
605-606 4   624H ONVOY SPECTRUM, LLC 640   2020-07-06   
605-606 5   624H ONVOY SPECTRUM, LLC 640   2020-07-06   
605-606 6   624H ONVOY SPECTRUM, LLC 640   2020-01-15   
605-606 7   624H ONVOY SPECTRUM, LLC 640   2021-10-30   
605-606 8   197D VONAGE AMERICA LLC 640   2021-08-30   
605-606 9   624H ONVOY SPECTRUM, LLC 640   2021-10-30   
605-607 A SXFLSDPS7MD  321J HD CARRIER LLC 640      
605-607 0   939H COMMIO, LLC 640   2024-03-03   
605-607 1   939H COMMIO, LLC 640   2024-03-03   
605-607 2   939H COMMIO, LLC 640   2024-03-03   
605-607 3   939H COMMIO, LLC 640   2024-03-03   
605-607 4   162G ONVOY, LLC - SD 640   2020-12-03   
605-607 5   162G ONVOY, LLC - SD 640   2020-12-03   
605-607 6   162G ONVOY, LLC - SD 640   2020-12-03   
605-607 7   162G ONVOY, LLC - SD 640   2020-12-03   
605-607 8   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-10-21   
605-607 9   321J HD CARRIER LLC 640   2020-01-08   
605-610 A SXFLSDCORMD  5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-610 0   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-610 1   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-610 2   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-02-11   
605-610 3   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2008-02-11   
605-610 4   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640      
605-610 5   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2008-03-17   
605-610 6   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2008-03-17   
605-610 7   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2008-07-21   
605-610 8   106F BANDWIDTH.COM CLEC, LLC - SD 640   2008-11-29   
605-610 9   106F BANDWIDTH.COM CLEC, LLC - SD 640   2008-11-29   
605-650 A SXFLSDCOX7X  114J EXIANT COMMUNICATIONS LLC 640      
605-650 0   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-10-21   
605-650 1   114J EXIANT COMMUNICATIONS LLC 640   2019-11-09   
605-650 2   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2020-05-07   
605-650 3   6701 AERIAL COMMUNICATIONS, INC. 640   2024-12-26   
605-650 4   6701 AERIAL COMMUNICATIONS, INC. 640   2024-12-26   
605-650 5   624H ONVOY SPECTRUM, LLC 640   2024-05-01   
605-650 6   6701 AERIAL COMMUNICATIONS, INC. 640   2024-12-26   
605-650 7   6701 AERIAL COMMUNICATIONS, INC. 640   2024-12-26   
605-650 8   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-10-21   
605-650 9   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2024-10-21   
605-679 A SXFLSDCODS1  9631 QWEST CORPORATION 640      
605-679 0   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2015-06-22   
605-679 1   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2015-06-29   
605-679 2   9631 QWEST CORPORATION 640   2012-10-14   
605-679 3   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 640   2015-05-05   
605-679 4   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2014-06-02   
605-679 5   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2015-07-20   
605-679 6   106F BANDWIDTH.COM CLEC, LLC - SD 640   2013-05-05   
605-679 7   106F BANDWIDTH.COM CLEC, LLC - SD 640   2013-05-05   
605-679 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 640   2018-11-19   
605-679 9   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2017-02-03   
605-681 A SXFLSDCOCMD  551G NUSO, LLC 640      
605-681 0   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2017-01-31   
605-681 1   551G NUSO, LLC 640   2013-05-08   
605-681 2   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2019-11-09   
605-681 3   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2016-07-05   
605-681 4   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2014-07-22   
605-681 5   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2014-07-29   
605-681 6   106F BANDWIDTH.COM CLEC, LLC - SD 640   2015-05-15   
605-681 7   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2014-08-26   
605-681 8   106F BANDWIDTH.COM CLEC, LLC - SD 640   2016-09-15   
605-681 9   162G ONVOY, LLC - SD 640   2016-12-24   
605-705 A SXFLSDPS1MD  939H COMMIO, LLC 640      
605-705 0   6569 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SD 640   2025-02-20   
605-705 1   162G ONVOY, LLC - SD 640   2025-10-07   
605-705 2   5180 LEVEL 3 COMMUNICATIONS, LLC - SD 640   2021-06-12   
605-705 3   162G ONVOY, LLC - SD 640   2019-11-07   
605-705 4   162G ONVOY, LLC - SD 640   2019-11-07   
605-705 5   939H COMMIO, LLC 640   2019-08-16   
605-705 6   162G ONVOY, LLC - SD 640   2019-11-07   
605-705 7   624H ONVOY SPECTRUM, LLC 640   2022-01-23   
605-705 8   624H ONVOY SPECTRUM, LLC 640   2022-01-23   
605-705 9   624H ONVOY SPECTRUM, LLC 640   2022-01-23   
605-728 A SXFLSDCHMMD  6701 AERIAL COMMUNICATIONS, INC. 640      
605-731 A SXFLSDCODS2  9631 QWEST CORPORATION 640      
605-731 0   9631 QWEST CORPORATION 640      
605-731 1   9631 QWEST CORPORATION 640      
605-731 2   9631 QWEST CORPORATION 640      
605-731 3   9631 QWEST CORPORATION 640      
605-731 4   9631 QWEST CORPORATION 640      
605-731 5   9631 QWEST CORPORATION 640      

<< 1 2 3 4 5 6 >>

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.