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.

OCN: 0283 BRINDLEE MOUNTAIN TELEPHONE LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
256-296 A Union Grove AL UNGVALXADS0  476      
256-317 A Arab AL ARABALXADS1  476      
256-471 A Morgan City AL MRCYALXADS0  476      
256-498 A Morgan City AL MRCYALXADS0  476      
256-586 A Arab AL ARABALXADS1  476      
256-753 A Union Grove AL UNGVALXADS0  476      
256-931 A Arab AL ARABALXADS1  476      

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

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