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: 664

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-664 A Carrollton GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438      
678-664 0 Carrollton GA SGHLGAAOPS0  781C CHARTER FIBERLINK - GEORGIA, LLC - GA 438   2007-03-18   
678-664 1 Carrollton GA SGHLGAAOPS0  781C CHARTER FIBERLINK - GEORGIA, LLC - GA 438   2011-08-21   
678-664 2 Carrollton GA ATLNGATLFMD  516C AT&T CORP. 438   2009-08-03   
678-664 3 Carrollton GA MRTTGA23DS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 438   2006-11-16   
678-664 4 Carrollton GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438   2011-01-01   
678-664 5 Carrollton GA ATHNGAMASMD  8660 NUVOX COMMUNICATIONS 438   2009-05-07   
678-664 6 Carrollton GA ATLNGAMQX4X  145J TERRA NOVA TELECOM INC. 438   2021-01-13   
678-664 7 Carrollton GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438   2012-03-22   
678-664 8 Carrollton GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438   2012-10-19   
678-664 9 Carrollton GA ATLNGABUXZY  983E BANDWIDTH.COM CLEC, LLC - GA 438   2012-10-19   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.