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: OSHTMIWSDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
269-353 A Kalamazoo MI 9323 AMERITECH MICHIGAN 348      
269-368 A Kalamazoo MI 9323 AMERITECH MICHIGAN 348      
269-372 A Kalamazoo MI 9323 AMERITECH MICHIGAN 348      
269-375 A Kalamazoo MI 9323 AMERITECH MICHIGAN 348      
269-376 A Kalamazoo MI 9323 AMERITECH MICHIGAN 348      
269-544 A Kalamazoo MI 9323 AMERITECH MICHIGAN 348      
269-973 A Kalamazoo MI 9323 AMERITECH MICHIGAN 348      

Last updated: Sat, 31 Oct 2020 19:28:10 UTC

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