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.

Owosso, MI

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
989-251 A SGNWMIFAXFY  5562 METROPCS, INC. 344      
989-251 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2021-07-27   
989-251 1   5562 METROPCS, INC. 344   2020-06-06   
989-251 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2014-10-10   
989-251 3   5562 METROPCS, INC. 344   2013-08-16   
989-251 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2014-10-10   
989-251 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2017-03-18   
989-251 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2014-04-30   
989-251 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2018-08-11   
989-251 8   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2013-10-02   
989-251 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2014-09-30   
989-277 A SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-413 A SGNWMIFAXOY  6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344      
989-472 A SGNWMIFAZMD  2550 123.NET, LLC 344      
989-472 0   939H COMMIO, LLC 344   2022-10-22   
989-472 1   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-09-07   
989-472 2   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-09-07   
989-472 3   792K CHARTER IP ENABLED SERVICES, LLC 344   2009-03-22   
989-472 4   792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-472 5   7279 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MI 344   2007-06-30   
989-472 6   5562 METROPCS, INC. 344   2008-10-03   
989-472 7   5562 METROPCS, INC. 344   2008-10-03   
989-472 8   508J CENTURYLINK COMMUNICATIONS, LLC 344   2015-04-21   
989-472 9   2550 123.NET, LLC 344   2003-03-08   
989-494 A SGNWMIECXQX  6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-494 0   792K CHARTER IP ENABLED SERVICES, LLC 344   2013-06-15   
989-494 1   991E BANDWIDTH.COM CLEC, LLC - MI 344   2009-03-06   
989-494 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2008-02-11   
989-494 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2006-12-20   
989-494 4   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344      
989-494 5   6120 LEVEL 3 COMMUNICATIONS, LLC - MI 344   2006-08-29   
989-494 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2009-11-23   
989-494 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2010-08-08   
989-494 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2005-08-01   
989-494 9   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2004-09-17   
989-518 A   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2025-05-10   
989-518 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2025-05-12   
989-518 2   933G PEERLESS NETWORK OF MICHIGAN, LLC - MI 344   2025-05-12   
989-518 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2025-11-13   
989-627 A SGNWMIATWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-627 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-627 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-627 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2006-01-16   
989-627 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2006-10-01   
989-627 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2007-12-06   
989-627 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-02-02   
989-627 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2008-10-14   
989-627 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2008-05-05   
989-627 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-05-28   
989-627 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2009-09-06   
989-666 A SGNWMIFAXFY  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 5   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 7   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344      
989-666 9   770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 344   2013-08-06   
989-720 A OWSOMIXH7MD  691A DAYSTARR, LLC DBA DAYSTARR COMMUNICATIONS - MI 344      
989-721 A SGNWMIFAXEX  829J PAETEC ITEL, LLC 344      
989-721 0   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2010-01-24   
989-721 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2005-04-15   
989-721 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2017-09-04   
989-721 3   829J PAETEC ITEL, LLC 344      
989-721 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2017-09-04   
989-721 5   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2011-01-13   
989-721 6   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2011-01-07   
989-721 7   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2009-07-30   
989-721 8   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2012-02-23   
989-721 9   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2010-05-27   
989-723 A OWSOMIXHDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-725 A OWSOMIXHDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-729 A OWSOMIXHDS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 A CRNNMIXKRS0  0695 FRONTIER NORTH, INC. - MI 344      
989-743 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2011-07-17   
989-743 1   0695 FRONTIER NORTH, INC. - MI 344      
989-743 2   0695 FRONTIER NORTH, INC. - MI 344      
989-743 3   0695 FRONTIER NORTH, INC. - MI 344      
989-743 4   0695 FRONTIER NORTH, INC. - MI 344      
989-743 5   0695 FRONTIER NORTH, INC. - MI 344      
989-743 6   0695 FRONTIER NORTH, INC. - MI 344      
989-743 7   046L CLEAR RATE COMMUNICATIONS, LLC 344   2009-11-14   
989-743 8   0695 FRONTIER NORTH, INC. - MI 344      
989-743 9   0695 FRONTIER NORTH, INC. - MI 344      
989-744 A SGNWMIFAXDX  9748 AMERICAN MESSAGING SERVICES, LLC 344      
989-829 A SGNWMIACDS1  6630 USA MOBILITY WIRELESS, INC. 344      
989-936 A   817J INTERACTIVE SERVICES NETWORK, INC. 344      
989-998 A SGNWMIATWMD  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344      
989-998 0   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2019-02-16   
989-998 1   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2019-02-16   
989-998 2   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2019-02-16   
989-998 3   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2022-01-19   
989-998 4   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 344   2022-01-19   
989-998 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2024-10-05   
989-998 6   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 344   2022-11-11   
989-998 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 344   2023-09-04   
989-998 8   516J TON80 COMMUNICATIONS, LLC 344   2022-04-14   

1 2 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.