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: JCSNMIMNDS1

Remotes:

Switch Switch name Switch type
ALBNMIMNRSA  ALBION  5ER 
CLRKMIMNRSA  CLARKLAKE  5ER 
HLDLMIMNRSA  HILLSDALE  5ER 
JCSNMINERSA  JACKSON  5ER 
JCSNMISARSA  JACKSON  5ER 
JNVLMIMNRSA  JONESVILLE  5ER 
LESLMIMNRSA  LESLIE  5ER 
MCHCMIMNRSA  MICHIGAN CENTER  5ER 
NPLNMIMNRSA  NAPOLEON  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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