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.
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Switch: ROCHNYXCDS0

Remotes:

Switch Switch name Switch type
AVONNYXARS0  AVON  5ER 
BITNNYXARS0  BRIGHTON  ORM 
ROCHNYXDRS0  ROCHESTER  5ER 
ROCHNYXHRS0  ROCHESTER  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
585-241 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-242 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-244 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-256 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-271 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-442 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-461 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-473 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-506 A Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-506 3 Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      
585-506 9 Rochester NY 0121 FRONTIER TELEPHONE OF ROCHESTER, INC. 974      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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