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: 493

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-493 A Castile NY CSTLNYXARS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-493 0 Castile NY CSTLNYXARS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-493 1 Castile NY ROCHNYXAGMD  997E BANDWIDTH.COM CLEC, LLC - NY 974      
585-493 2 Castile NY CSTLNYXARS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-493 3 Castile NY CSTLNYXARS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-493 4 Castile NY ROCHNYXAAMD  532D TIME WARNER CABLE INFO SVCE (NEW YORK) LLC-NY 974      
585-493 5 Castile NY CSTLNYXARS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-493 6 Castile NY ROCHNYCT0MD  7133 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - NY 974      
585-493 7 Castile NY   145J TERRA NOVA TELECOM INC. 974      
585-493 8 Castile NY ROCHNYXAQMD  508J CENTURYLINK COMMUNICATIONS, LLC 974      
585-493 9 Castile NY CSTLNYXARS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.