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: ATLNGABU21Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
470-470 A Atlanta Northwest GA 839J EON TELECOM, INC. 438   2024-02-23   
943-225 A Atlanta Northwest GA 839J EON TELECOM, INC. 438      
943-274 A Jackson GA 839J EON TELECOM, INC. 438   2024-11-28   
943-275 A Canton GA 839J EON TELECOM, INC. 438   2024-11-28   
943-276 A Bremen GA 839J EON TELECOM, INC. 438   2024-11-28   
943-277 A Atlanta South GA 839J EON TELECOM, INC. 438   2024-11-28   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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