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: ATLNGABURS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
404-398 A Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-398 0 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-398 6 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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