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: BRHMAL16X8X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
659-901 1 Alabaster AL 5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2022-05-01   
659-910 7 Birmingham AL 5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2021-07-23   
659-993 A Birmingham AL 5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2026-04-13   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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