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: MTGMALGYDS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
334-859 A Montgomery AL 476H AIRUS, INC. - AL 478      
334-859 1 Montgomery AL 476H AIRUS, INC. - AL 478   2023-03-12   
334-961 7 Montgomery AL 476H AIRUS, INC. - AL 478   2025-05-08   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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