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: MTMRNYXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-658 A Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 0 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 2 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 3 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 4 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 5 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 7 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 8 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-658 9 Mount Morris NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.