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: 943 [Rate centres in NPA 943] [Dial plan for NPA 943]

NXX: 278

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
943-278 A Cumming GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438   2024-11-23   
943-278 0 Cumming GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438   2024-11-23   
943-278 1 Cumming GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438   2024-11-23   
943-278 2 Cumming GA   7473 POWERTEL ATLANTA LICENSES, INC. 438   2025-07-25   
943-278 3 Cumming GA   7473 POWERTEL ATLANTA LICENSES, INC. 438   2025-07-25   

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.