Local Calling Guide

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NPA: 770 [Rate centres in NPA 770] [Dial plan for NPA 770]

NXX: 523

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
770-523 A Buchanan GA ATLNGABU20Z  7421 AT&T - LOCAL 438      
770-523 0 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2024-06-24   
770-523 1 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2024-06-24   
770-523 2 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2024-05-31   
770-523 3 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2024-05-31   
770-523 4 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2024-05-31   
770-523 5 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2023-04-29   
770-523 6 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2024-05-31   
770-523 7 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2024-05-31   
770-523 8 Buchanan GA   624H ONVOY SPECTRUM, LLC 438   2024-06-24   
770-523 9 Buchanan GA   7421 AT&T - LOCAL 438   2022-10-27   

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

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