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: CNCNOHWS01Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
513-972 8 Mason OH 793K TWC IP ENABLED SERVICES, LLC 922   2013-05-09   
513-973 A Hamilton OH 793K TWC IP ENABLED SERVICES, LLC 922   2025-02-18   
513-973 0 Hamilton OH 793K TWC IP ENABLED SERVICES, LLC 922   2015-12-17   
513-975 0 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2016-05-23   
513-975 1 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2016-05-23   
513-975 2 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2016-07-15   
513-978 0 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2014-12-01   
513-978 1 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2014-12-01   
513-979 4 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2007-09-05   
513-987 4 Little Miami OH 793K TWC IP ENABLED SERVICES, LLC 922   2015-10-16   
513-996 0 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2015-08-24   
513-996 1 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2015-08-24   
513-996 2 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2015-08-24   
513-996 3 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2015-08-24   
513-996 4 Cincinnati OH 793K TWC IP ENABLED SERVICES, LLC 922   2015-08-24   
812-656 6 West Harrison IN 793K TWC IP ENABLED SERVICES, LLC 922   2007-08-31   
812-775 4 Peoria IN 793K TWC IP ENABLED SERVICES, LLC 922   2022-04-24   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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