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: 679

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-679 A Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 0 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 1 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 2 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 3 Cumming GA ATLNGAHPDS8  6116 LEVEL 3 COMMUNICATIONS, LLC - GA 438   2008-05-31   
678-679 4 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 5 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 6 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 7 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 8 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-679 9 Cumming GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.