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.
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Switch: OWTPMI022MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-235 9 Crystal MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2025-07-27   
989-248 2 Fenwick MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-283 1 Stanton MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-287 6 Lakeview MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2014-07-30   
989-291 6 Sheridan MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-304 4 Edmore MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-309 8 Remus MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2021-06-18   
989-328 5 Sidney MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-342 A Lewiston MI 792K CHARTER IP ENABLED SERVICES, LLC 344      
989-342 0 Lewiston MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-05-11   
989-346 0 Mio MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2021-06-10   
989-353 A Chester MI 792K CHARTER IP ENABLED SERVICES, LLC 344      
989-353 0 Chester MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2020-09-03   
989-376 1 Atlanta MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2022-06-19   
989-406 A Fairview MI 792K CHARTER IP ENABLED SERVICES, LLC 344      
989-406 0 Fairview MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2021-06-27   
989-448 2 Gaylord MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2009-11-07   
989-448 7 Gaylord MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2015-01-29   
989-448 8 Gaylord MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-05-03   
989-637 1 Palo MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2008-08-27   
989-742 9 Hillman MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2022-06-19   
989-762 3 McBride MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2010-01-05   
989-822 1 Barryton MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2021-06-10   
989-833 8 Riverdale MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2014-07-30   
989-853 1 Muir MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-866 3 Winn MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2019-09-20   
989-886 1 Vickeryville MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2025-07-27   
989-966 2 Vanderbilt MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2007-03-18   
989-981 7 Hubbardston MI 792K CHARTER IP ENABLED SERVICES, LLC 344   2025-07-13   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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