Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 678 [Rate centres in NPA 678] [Dial plan for NPA 678]

NXX: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-500 A Atlanta GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-500 0 Atlanta GA   829J PAETEC ITEL, LLC 438   2006-03-06   
678-500 1 Atlanta GA   067D ONVOY, LLC - GA 438   2004-11-22   
678-500 2 Atlanta GA   829J PAETEC ITEL, LLC 438   2006-06-08   
678-500 3 Atlanta GA   829J PAETEC ITEL, LLC 438   2008-03-28   
678-500 4 Atlanta GA   7473 POWERTEL ATLANTA LICENSES, INC. 438   2006-07-10   
678-500 5 Atlanta GA   7473 POWERTEL ATLANTA LICENSES, INC. 438   2006-07-10   
678-500 6 Atlanta GA   7473 POWERTEL ATLANTA LICENSES, INC. 438   2006-07-10   
678-500 7 Atlanta GA   829J PAETEC ITEL, LLC 438   2007-01-24   
678-500 8 Atlanta GA   6116 LEVEL 3 COMMUNICATIONS, LLC - GA 438   2008-04-03   
678-500 9 Atlanta GA   6116 LEVEL 3 COMMUNICATIONS, LLC - GA 438   2007-10-05   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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