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: 312

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
943-312 A Buchanan GA   067D ONVOY, LLC - GA 438   2026-05-31   
943-312 0 Buchanan GA   067D ONVOY, LLC - GA 438   2026-05-31   

Last updated: Sun, 17 May 2026 03:26:51 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.