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: OPLKALAF6MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
334-870 A Auburn AL 732J NUSO, LLC 478      
334-870 1 Auburn AL 732J NUSO, LLC 478   2023-04-07   
334-870 2 Auburn AL 732J NUSO, LLC 478   2023-12-25   
334-870 3 Auburn AL 732J NUSO, LLC 478   2023-12-25   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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