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: 839 [Rate centres in NPA 839] [Dial plan for NPA 839]

NXX: 340

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
839-340 A Orangeburg SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2026-07-01   
839-340 0 Orangeburg SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2026-07-02   
839-340 1 Orangeburg SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2026-07-02   
839-340 6 Orangeburg SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2026-07-01   
839-340 7 Orangeburg SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2026-07-01   
839-340 8 Orangeburg SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2026-07-01   
839-340 9 Orangeburg SC   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2026-07-01   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.