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: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-285 A Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
678-285 0 Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
678-285 1 Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
678-285 2 Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
678-285 3 Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
678-285 4 Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
678-285 5 Atlanta Northwest GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      
678-285 6 Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
678-285 7 Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      
678-285 8 Atlanta Northwest GA ATLNGAQSX5X  6540 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - GA 438      
678-285 9 Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.