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.

Switch: ROCHNYXADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-222 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-234 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-251 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-255 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-323 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-324 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-428 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-753 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-770 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-771 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-777 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-935 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-966 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-974 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.