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: 914 [Rate centres in NPA 914] [Dial plan for NPA 914]

NXX: 256

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
914-256 A Mahopac NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132      
914-256 0 Mahopac NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2018-04-02   
914-256 1 Mahopac NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2019-05-24   
914-256 2 Mahopac NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2012-04-09   
914-256 3 Mahopac NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2012-03-31   
914-256 4 Mahopac NY   1215 CORETEL NEW YORK, INC. - NY 132   2019-05-22   
914-256 6 Mahopac NY   1215 CORETEL NEW YORK, INC. - NY 132   2019-05-22   
914-256 7 Mahopac NY NYCMNYBWCMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 132   2016-10-19   
914-256 8 Mahopac NY NYCMNYBXDSL  384C ONVOY, LLC- NY 132   2012-11-22   
914-256 9 Mahopac NY   829J PAETEC ITEL, LLC 132   2016-06-09   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.