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: 828

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-828 A Flowery Branch GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438      
678-828 0 Flowery Branch GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438      
678-828 1 Flowery Branch GA ATLNGABUXZZ  5562 METROPCS, INC. 438   2005-07-23   
678-828 2 Flowery Branch GA ATLNGAHPDS8  6116 LEVEL 3 COMMUNICATIONS, LLC - GA 438   2008-07-29   
678-828 3 Flowery Branch GA ATLNGABU05Z  624H ONVOY SPECTRUM, LLC 438   2024-10-14   
678-828 4 Flowery Branch GA ATLNGAMQX4X  145J TERRA NOVA TELECOM INC. 438   2024-08-08   
678-828 5 Flowery Branch GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438      
678-828 6 Flowery Branch GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438      
678-828 7 Flowery Branch GA ATLNGATLFMD  516C AT&T CORP. 438   2009-08-03   
678-828 8 Flowery Branch GA   792K CHARTER IP ENABLED SERVICES, LLC 438   2008-05-28   
678-828 9 Flowery Branch GA   792K CHARTER IP ENABLED SERVICES, LLC 438   2005-12-22   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.