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: 678 [Rate centres in NPA 678] [Dial plan for NPA 678]

NXX: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-320 A Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-320 0 Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-320 1 Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-320 2 Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-320 3 Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-320 4 Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-320 5 Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-320 6 Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-320 7 Atlanta Northeast GA NRCSGAGZ5MD  5562 METROPCS, INC. 438   2011-11-21   
678-320 8 Atlanta Northeast GA NRCSGAGZ5MD  5562 METROPCS, INC. 438   2011-11-21   
678-320 9 Atlanta Northeast GA DNWDGAMA67A  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.