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: 866

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-866 A Flowery Branch GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-866 0 Flowery Branch GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438   2003-04-04   
678-866 1 Flowery Branch GA ATLNGAHPDS8  6116 LEVEL 3 COMMUNICATIONS, LLC - GA 438   2006-04-09   
678-866 2 Flowery Branch GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438   2006-09-14   
678-866 3 Flowery Branch GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438   2007-05-13   
678-866 4 Flowery Branch GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438   2006-12-29   
678-866 5 Flowery Branch GA ATLNGABUXZZ  5562 METROPCS, INC. 438   2009-01-11   
678-866 6 Flowery Branch GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438   2010-03-27   
678-866 7 Flowery Branch GA ATLNGABU05Z  624H ONVOY SPECTRUM, LLC 438   2024-10-14   
678-866 8 Flowery Branch GA ATLNGABU22Z  829J PAETEC ITEL, LLC 438   2003-06-08   
678-866 9 Flowery Branch GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438   2010-09-04   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.