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: 819

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-819 A Atlanta Northwest GA ATLNGAQSDS3  7435 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - GA 438      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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