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: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-321 A Carrollton GA ATLNGABU22Z  829J PAETEC ITEL, LLC 438      
678-321 0 Carrollton GA   6116 LEVEL 3 COMMUNICATIONS, LLC - GA 438   2006-09-18   
678-321 1 Carrollton GA   829J PAETEC ITEL, LLC 438      
678-321 2 Carrollton GA   829J PAETEC ITEL, LLC 438      
678-321 3 Carrollton GA   829J PAETEC ITEL, LLC 438      
678-321 4 Carrollton GA   6116 LEVEL 3 COMMUNICATIONS, LLC - GA 438   2002-06-04   
678-321 5 Carrollton GA   5562 METROPCS, INC. 438   2004-12-13   
678-321 6 Carrollton GA   6116 LEVEL 3 COMMUNICATIONS, LLC - GA 438   2004-12-02   
678-321 7 Carrollton GA   983E BANDWIDTH.COM CLEC, LLC - GA 438   2010-02-22   
678-321 8 Carrollton GA   983E BANDWIDTH.COM CLEC, LLC - GA 438   2013-11-03   
678-321 9 Carrollton GA   067D ONVOY, LLC - GA 438   2019-02-18   

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

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