Local Calling Guide

Area code/prefix search

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NPA: 678 [Rate centres in NPA 678] [Dial plan for NPA 678]

NXX: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
678-370 A Atlanta Northwest GA ATLNGAQSDS8  067D ONVOY, LLC - GA 438      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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