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: 857

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-857 A Newnan GA ATLNGATLG00  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 438      
678-857 0 Newnan GA   5562 METROPCS, INC. 438   2008-12-11   
678-857 1 Newnan GA   5562 METROPCS, INC. 438   2008-12-11   
678-857 2 Newnan GA   5562 METROPCS, INC. 438   2008-12-11   
678-857 3 Newnan GA   516C AT&T CORP. 438   2009-08-24   
678-857 4 Newnan GA   6540 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 438   2009-08-31   
678-857 5 Newnan GA   5562 METROPCS, INC. 438   2008-12-11   
678-857 6 Newnan GA   5562 METROPCS, INC. 438   2008-12-11   
678-857 7 Newnan GA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 438   2007-12-09   
678-857 8 Newnan GA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 438   2007-12-09   
678-857 9 Newnan GA   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 438   2007-05-18   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.