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.

Butler, GA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
478-399 A MACNGAMT1MD  6116 LEVEL 3 COMMUNICATIONS, LLC - GA 446   2024-07-05   
478-399 7 MACNGAMT1MD  6116 LEVEL 3 COMMUNICATIONS, LLC - GA 446   2024-07-05   
478-399 9   145J TERRA NOVA TELECOM INC. 446   2025-05-23   
478-862 A BTLRGAXA86A  0381 PUBLIC SERVICE TEL. CO. 446      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.