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.

NPA: 315 [Rate centres in NPA 315] [Dial plan for NPA 315]

NXX: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
315-270 A Penn Yan NY SYRCNYSUXWY  997E BANDWIDTH.COM CLEC, LLC - NY 136      
315-270 0 Penn Yan NY   515J IP HORIZON LLC 136   2021-10-23   
315-270 1 Penn Yan NY   073H TELNYX LLC 136   2022-09-05   
315-270 2 Penn Yan NY   5562 METROPCS, INC. 136   2004-03-15   
315-270 3 Penn Yan NY   997E BANDWIDTH.COM CLEC, LLC - NY 136   2014-08-02   
315-270 4 Penn Yan NY   624H ONVOY SPECTRUM, LLC 136   2022-03-18   
315-270 5 Penn Yan NY   624H ONVOY SPECTRUM, LLC 136   2022-03-18   
315-270 6 Penn Yan NY   624H ONVOY SPECTRUM, LLC 136   2021-12-11   
315-270 7 Penn Yan NY   624H ONVOY SPECTRUM, LLC 136   2021-12-11   
315-270 8 Penn Yan NY   939H COMMIO, LLC 136   2022-11-17   
315-270 9 Penn Yan NY   384C ONVOY, LLC- NY 136   2024-04-19   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.