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: BARGMIXJDS0

Remotes:

Switch Switch name Switch type
ALTNMIXIRS0  ALSTON  1RC 
CHSLMI01RP0  CHASSELL  CC7 
CRFLMIAPRP0  CRYSTAL FALLS  CC7 
LNSEMIXIRP0  L ANSE  C15 
TPLAMIXIRS0  TAPIOLA  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
906-203 3 Sault Ste Marie MI 4253 BARAGA TELEPHONE COMPANY 342   2010-05-02   
906-204 3 Ishpeming MI 4253 BARAGA TELEPHONE COMPANY 342   2008-07-20   
906-232 1 Marquette MI 4253 BARAGA TELEPHONE COMPANY 342   2008-07-20   
906-233 5 Escanaba MI 4253 BARAGA TELEPHONE COMPANY 342   2010-04-23   
906-239 1 Iron Mountain MI 4253 BARAGA TELEPHONE COMPANY 342   2009-02-19   
906-285 5 Ironwood MI 4253 BARAGA TELEPHONE COMPANY 342   2010-04-23   
906-290 5 Menominee MI 4253 BARAGA TELEPHONE COMPANY 342   2010-04-23   
906-294 A Newberry MI 4253 BARAGA TELEPHONE COMPANY 342      
906-298 3 St Ignace MI 4253 BARAGA TELEPHONE COMPANY 342   2010-04-23   
906-339 8 Champion MI 4253 BARAGA TELEPHONE COMPANY 342   2010-06-15   
906-353 A Baraga MI 0675 BARAGA TEL. CO. 342      
906-357 A Rock MI 4253 BARAGA TELEPHONE COMPANY 342      
906-372 3 Gwinn MI 4253 BARAGA TELEPHONE COMPANY 342   2010-08-09   

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

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