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.

NPA: 404 [Rate centres in NPA 404] [Dial plan for NPA 404]

NXX: 923

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
404-923 A Atlanta GA ATLNGABU84C  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-923 0 Atlanta GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438      
404-923 1 Atlanta GA ATLNGABU84C  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-923 2 Atlanta GA ATLNGABU84C  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-923 3 Atlanta GA ATLNGABU84C  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-923 5 Atlanta GA ATLNGABU84C  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-923 6 Atlanta GA ATLNGABU84C  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-923 7 Atlanta GA ATLNGABU84C  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-923 8 Atlanta GA ATLNGABU84C  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
404-923 9 Atlanta GA   145J TERRA NOVA TELECOM INC. 438      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.