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: MONRNYXADS0

Remotes:

Switch Switch name Switch type
CHESNYXARS0  CHESTER  ORM 
GSHNNYXARS0  GOSHEN  ORM 
HIMLNYXARS2  HIGHLAND MILLS  ORM 
HPJTNYXBRS0  HOPEWELL JUNCTION  EXM 
MTGMNYXARS0  MONTGOMERY  5ER 
MYBKNYXARS0  MAYBROOK  5ER 
PNBSNYXARS0  PINE BUSH  5ER 
WLDNNYXCRS0  WALDEN  ORM 
WLKLNYXARS0  WALLKILL  5ER 
WSHVNYXARS3  WASHINGTONVILLE  ORM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
845-492 A Monroe NY 0100 FRONTIER COMMUNICATIONS OF NEW YORK, INC. 133      
845-774 A Monroe NY 0100 FRONTIER COMMUNICATIONS OF NEW YORK, INC. 133      
845-781 A Monroe NY 0100 FRONTIER COMMUNICATIONS OF NEW YORK, INC. 133      
845-782 A Monroe NY 0100 FRONTIER COMMUNICATIONS OF NEW YORK, INC. 133      
845-783 A Monroe NY 0100 FRONTIER COMMUNICATIONS OF NEW YORK, INC. 133      

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

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