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: 770 [Rate centres in NPA 770] [Dial plan for NPA 770]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
770-278 A Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      
770-278 0 Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      
770-278 1 Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      
770-278 2 Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      
770-278 3 Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      
770-278 4 Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      
770-278 5 Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      
770-278 6 Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      
770-278 7 Conyers GA CNYRGAMA48F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438   2009-01-07   
770-278 8 Conyers GA CNYRGAMA48F  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 438   2009-01-07   
770-278 9 Conyers GA ATLNGAPKXYZ  4617 DELTACOM, INC. - GA 438      

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.