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: MRRSILMSDS0

Remotes:

Switch Switch name Switch type
CLCYILCGRS0  COAL CITY  5ER 
DWGHILDHRS0  DWIGHT  5ER 
GRNRILGDRS0  GARDNER  5ER 
LSBNILLBRS0  LISBON  5ER 
MAZNILMZRS0  MAZON  5ER 
NWRKILNWRS0  NEWARK  5ER 
SENCILSNRS0  SENECA  5ER 
VRNAILVERS0  VERONA  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
815-416 A Morris IL 9329 AMERITECH ILLINOIS 358      
815-941 A Morris IL 9329 AMERITECH ILLINOIS 358      
815-942 A Morris IL 9329 AMERITECH ILLINOIS 358      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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