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: 585 [Rate centres in NPA 585] [Dial plan for NPA 585]

NXX: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-337 A Canandaigua NY ROCHNYXAGMD  997E BANDWIDTH.COM CLEC, LLC - NY 974      
585-337 0 Canandaigua NY ROCHNYXAGMD  997E BANDWIDTH.COM CLEC, LLC - NY 974   2010-11-15   
585-337 1 Canandaigua NY ROCHNYXAXLX  624H ONVOY SPECTRUM, LLC 974   2025-01-16   
585-337 2 Canandaigua NY ROCHNYXAGMD  997E BANDWIDTH.COM CLEC, LLC - NY 974   2015-03-05   
585-337 3 Canandaigua NY   829J PAETEC ITEL, LLC 974   2013-02-18   
585-337 4 Canandaigua NY ROCHNYXAHMD  629E FINGER LAKES TECHNOLOGIES GROUP, INC. - NY 974   2015-08-12   
585-337 5 Canandaigua NY   970H BLUEBIRD COMMUNICATIONS, LLC - NY 974   2016-02-08   
585-337 6 Canandaigua NY ROCHNYXC0MD  282E YMAX COMMUNICATIONS CORP. - NY 974   2011-06-26   
585-337 7 Canandaigua NY ROCHNYXAQMD  508J CENTURYLINK COMMUNICATIONS, LLC 974   2014-10-02   
585-337 9 Canandaigua NY ROCHNYXAGMD  997E BANDWIDTH.COM CLEC, LLC - NY 974   2011-05-28   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.