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: ATLNGAELDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
404-270 A Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-270 2 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-270 9 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-341 A Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 A Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 0 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 1 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 3 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 4 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 5 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 6 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 7 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 8 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-370 9 Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-371 A Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-373 A Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-377 A Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-378 A Atlanta GA 9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-687 A 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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