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: 270

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-270 A Rochester NY ROCHNYXAAMD  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 974      
585-270 0 Rochester NY ROCHNYXAGMD  997E BANDWIDTH.COM CLEC, LLC - NY 974   2010-10-04   
585-270 1 Rochester NY ROCHNYXAGMD  997E BANDWIDTH.COM CLEC, LLC - NY 974   2010-10-24   
585-270 2 Rochester NY ROCHNY011MD  4152 PAETEC COMMUNICATIONS, INC. - NY 974   2010-08-12   
585-270 3 Rochester NY ROCHNY011MD  4152 PAETEC COMMUNICATIONS, INC. - NY 974   2010-08-26   
585-270 4 Rochester NY ROCHNYXAAMD  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 974   2010-08-01   
585-270 5 Rochester NY ROCHNYXAAMD  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 974   2010-10-31   
585-270 6 Rochester NY ROCHNYEI3MD  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 974   2010-12-23   
585-270 7 Rochester NY ROCHNYEI3MD  4006 LEVEL 3 COMMUNICATIONS, LLC - NY 974   2010-12-23   
585-270 8 Rochester NY ROCHNYXAAMD  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 974   2011-01-05   
585-270 9 Rochester NY PRTNNYADGT1  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 974   2011-12-21   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.