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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
585-243 A Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 0 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 1 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 2 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 3 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 4 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 5 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 6 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 7 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-243 8 Geneseo NY ROCHNY113MD  4107 CHOICE ONE COMMUNICATIONS, INC. - NY 974   2000-04-25   
585-243 9 Geneseo NY GENSNYXADS0  0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.