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: ESYRNYAW2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-310 7 Marion NY 793K TWC IP ENABLED SERVICES, LLC 136   2005-11-21   
315-325 A Geneva NY 793K TWC IP ENABLED SERVICES, LLC 136      
315-325 4 Geneva NY 793K TWC IP ENABLED SERVICES, LLC 136   2010-08-01   
315-333 1 Ontario NY 793K TWC IP ENABLED SERVICES, LLC 136   2010-08-08   
315-333 5 Ontario NY 793K TWC IP ENABLED SERVICES, LLC 136   2004-10-25   
315-538 0 Macedon NY 793K TWC IP ENABLED SERVICES, LLC 136   2010-08-08   
315-538 8 Macedon NY 793K TWC IP ENABLED SERVICES, LLC 136   2004-02-19   
315-553 A Sodus NY 793K TWC IP ENABLED SERVICES, LLC 136      
315-553 2 Sodus NY 793K TWC IP ENABLED SERVICES, LLC 136   2004-10-31   
315-589 0 Williamson NY 793K TWC IP ENABLED SERVICES, LLC 136   2010-08-08   
315-694 7 Penn Yan NY 793K TWC IP ENABLED SERVICES, LLC 136   2006-11-21   
315-694 9 Penn Yan NY 793K TWC IP ENABLED SERVICES, LLC 136   2010-08-08   
315-759 5 Geneva NY 793K TWC IP ENABLED SERVICES, LLC 136   2004-02-19   
315-759 6 Geneva NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-02-26   
315-812 0 Sodus NY 793K TWC IP ENABLED SERVICES, LLC 136   2010-08-08   
315-904 4 Williamson NY 793K TWC IP ENABLED SERVICES, LLC 136   2004-10-31   
315-966 2 Macedon NY 793K TWC IP ENABLED SERVICES, LLC 136   2016-12-09   
607-218 6 Cortland NY 793K TWC IP ENABLED SERVICES, LLC 136   2010-09-08   
607-219 3 Ithaca NY 793K TWC IP ENABLED SERVICES, LLC 136   2020-09-05   
607-250 9 Cortland NY 793K TWC IP ENABLED SERVICES, LLC 136   2020-12-13   
607-299 4 Cortland NY 793K TWC IP ENABLED SERVICES, LLC 136   2004-02-19   
607-319 A Ithaca NY 793K TWC IP ENABLED SERVICES, LLC 136      
607-319 0 Ithaca NY 793K TWC IP ENABLED SERVICES, LLC 136      
607-319 4 Ithaca NY 793K TWC IP ENABLED SERVICES, LLC 136   2005-09-13   
607-319 5 Ithaca NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-04-25   
607-339 0 Ithaca NY 793K TWC IP ENABLED SERVICES, LLC 136   2015-08-10   
607-344 3 Cortland NY 793K TWC IP ENABLED SERVICES, LLC 136   2015-12-07   
607-379 6 Ithaca NY 793K TWC IP ENABLED SERVICES, LLC 136   2010-09-08   
607-391 0 Ithaca NY 793K TWC IP ENABLED SERVICES, LLC 136   2017-01-05   
607-403 A Ovid NY 793K TWC IP ENABLED SERVICES, LLC 136      
607-403 4 Ovid NY 793K TWC IP ENABLED SERVICES, LLC 136   2006-11-21   
607-543 4 Cortland NY 793K TWC IP ENABLED SERVICES, LLC 136   2014-11-29   
607-662 4 Cortland NY 793K TWC IP ENABLED SERVICES, LLC 136   2006-03-23   
607-836 1 McGraw NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-06-14   

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

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