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: 556

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-556 A Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 0 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 1 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 2 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 3 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 4 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 5 Atlanta Northwest GA ATLNGAEPXOY  318J COMCAST IP PHONE, LLC 438      
678-556 6 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 7 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 8 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      
678-556 9 Atlanta Northwest GA SMYRGAMADS1  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.