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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Switch: SFLDMIDNKMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
810-291 A Brighton MI 732J NUSO, LLC 340      
810-291 3 Brighton MI 732J NUSO, LLC 340   2022-10-16   
810-306 4 Brighton MI 732J NUSO, LLC 340   2023-12-11   
810-306 5 Brighton MI 732J NUSO, LLC 340   2023-12-11   

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

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