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: ERCHNYXADS0

Remotes:

Switch Switch name Switch type
FAPTNYXBRS0  FAIRPORT  ORM 
FRTNNYXARS0  FARMINGTON  5ER 
PNFDNYXARS0  PENFIELD  5ER 
VCTRNYXARS0  VICTOR  ORM 
WBSTNYXARS0  WEBSTER  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-218 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-248 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-249 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-264 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-377 A Fairport NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-381 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-383 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-385 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-387 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-389 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-586 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-899 A East Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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