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.
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OCN: 0685 CHATHAM TELEPHONE CO.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
906-343 A Sand River MI SNRVMIXIRSA  342      
906-435 A Chatham MI CHHMMIXIGT0  342   2012-06-03   
906-435 1 Chatham MI   342   2012-06-03   
906-439 A Chatham MI CHHMMIXIDS0  342      
906-439 0 Chatham MI   342      
906-439 1 Chatham MI   342      
906-439 2 Chatham MI   342      
906-439 3 Chatham MI   342      
906-439 4 Chatham MI   342      
906-439 5 Chatham MI   342      
906-439 6 Chatham MI   342      
906-439 7 Chatham MI   342      
906-439 8 Chatham MI   342      
906-439 9 Chatham MI   342      
906-446 A Trenary MI TRNYMIXIRSA  342      
906-892 A Au Train MI AUTRMIXIRSA  342      
906-942 A Skandia MI SKNDMIXIRS0  342      

Last updated: Sun, 29 Sep 2019 14:17:11 UTC

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