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: MTGMALMT77Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
334-865 A Montgomery AL 732J NUSO, LLC 478      
334-865 1 Montgomery AL 732J NUSO, LLC 478   2023-04-13   
334-921 5 Montgomery AL 732J NUSO, LLC 478   2024-11-19   
334-921 6 Montgomery AL 732J NUSO, LLC 478   2024-11-19   
334-921 7 Montgomery AL 732J NUSO, LLC 478   2024-11-19   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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