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.

Switch: CELNOHXAFMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
419-582 6 Yorkshire OH 793K TWC IP ENABLED SERVICES, LLC 326   2010-05-28   
419-628 6 Minster OH 793K TWC IP ENABLED SERVICES, LLC 326   2007-07-27   
419-628 9 Minster OH 793K TWC IP ENABLED SERVICES, LLC 326   2013-09-26   
419-763 4 Coldwater OH 793K TWC IP ENABLED SERVICES, LLC 326   2007-06-06   
419-763 8 Coldwater OH 793K TWC IP ENABLED SERVICES, LLC 326   2013-09-26   
419-778 7 St Marys OH 793K TWC IP ENABLED SERVICES, LLC 326   2007-03-06   
419-778 8 St Marys OH 793K TWC IP ENABLED SERVICES, LLC 326   2013-09-26   
419-795 5 Mendon OH 793K TWC IP ENABLED SERVICES, LLC 326   2007-07-27   
419-925 2 Maria Stein OH 793K TWC IP ENABLED SERVICES, LLC 326   2008-04-04   
419-954 8 New Bremen OH 793K TWC IP ENABLED SERVICES, LLC 326   2013-09-26   
567-279 9 Celina OH 793K TWC IP ENABLED SERVICES, LLC 326   2013-09-26   
567-510 5 Celina OH 793K TWC IP ENABLED SERVICES, LLC 326   2007-03-06   
567-523 3 North Star OH 793K TWC IP ENABLED SERVICES, LLC 326   2011-02-28   

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

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