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: ROCHNYXKDS0

Remotes:

Switch Switch name Switch type
BCPTNYXARS0  BROCKPORT  ORM 
BRGNNYXARS0  BERGEN  5ER 
CCVLNYXARS0  CHURCHVILLE  5ER 
HMLNNYXARS0  HAMLIN  5ER 
ROCHNYXERS0  ROCHESTER  ORM 
ROCHNYXGRS0  ROCHESTER  ORM 
ROCHNYXJRS0  ROCHESTER  ORM 
SCVLNYXARS0  SCOTTSVILLE  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-247 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-426 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-429 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-581 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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