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: WBRNMIMNRSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
989-343 A West Branch MI 9323 MICHIGAN BELL TEL CO 344      
989-343 0 West Branch MI 9323 MICHIGAN BELL TEL CO 344      
989-343 1 West Branch MI 9323 MICHIGAN BELL TEL CO 344      
989-343 2 West Branch MI 9323 MICHIGAN BELL TEL CO 344      
989-343 3 West Branch MI 9323 MICHIGAN BELL TEL CO 344      
989-343 6 West Branch MI 9323 MICHIGAN BELL TEL CO 344      
989-343 9 West Branch MI 9323 MICHIGAN BELL TEL CO 344      
989-345 A West Branch MI 9323 MICHIGAN BELL TEL CO 344      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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