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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NPA: 205 [Rate centres in NPA 205] [Dial plan for NPA 205]

NXX: 304

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
205-304 A Dora AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
205-304 0 Dora AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476   2005-02-03   
205-304 1 Dora AL BRHMALMT41Z  072F BANDWIDTH.COM CLEC, LLC - AL 476   2008-11-30   
205-304 3 Dora AL   145J TERRA NOVA TELECOM INC. 476   2025-02-14   
205-304 4 Dora AL BRHMAL16X8X  5255 LEVEL 3 COMMUNICATIONS, LLC - AL 476      
205-304 5 Dora AL BRHMALMT32Z  604E ONVOY, LLC - AL 476   2019-09-05   
205-304 6 Dora AL   145J TERRA NOVA TELECOM INC. 476   2021-01-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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