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: JRVLILXEDS0

Remotes:

Switch Switch name Switch type
BNHLILXERS0  BUNKER HILL  5BR 
BRSLILXERS0  BRUSSELS  5BR 
BTTWILXERS0  BATCHTOWN  5BR 
CHFDILXERS0  CHESTERFIELD  5BR 
DOW ILXERS0  DOW  5BR 
FLDNILXERS0  FIELDON  5BR 
HBGCILXERS0  HAMBURG (CALHOUN)  5BR 
HRDNILXERS0  HARDIN  5BR 
HTTCILXERS0  HETTICK  5BR 
KMVLILAARS0  KAMPSVILLE  5ER 
MEDRILXERS0  MEDORA  5BR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
618-498 A Jerseyville IL 1183 CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL 520      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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