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: ERVLNYXAX0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
315-653 0 South Otselic NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-07-20   
315-691 7 Earlville NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-06-14   
315-837 5 Georgetown NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-07-20   
315-852 2 De Ruyter NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-10-16   
607-213 A Marathon NY 793K TWC IP ENABLED SERVICES, LLC 136      
607-213 4 Marathon NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-04-18   
607-842 1 Truxton NY 793K TWC IP ENABLED SERVICES, LLC 136   2007-10-16   

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

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