Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 478 [Rate centres in NPA 478] [Dial plan for NPA 478]

NXX: 344

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
478-344 A Lake Sinclair GA MDVLGAAN1MD  792K CHARTER IP ENABLED SERVICES, LLC 446   2025-02-12   
478-344 0 Lake Sinclair GA   792K CHARTER IP ENABLED SERVICES, LLC 446      
478-344 1 Lake Sinclair GA   073H TELNYX LLC 446   2020-06-27   
478-344 2 Lake Sinclair GA   067D ONVOY, LLC - GA 446   2021-03-28   
478-344 3 Lake Sinclair GA   067D ONVOY, LLC - GA 446   2019-03-02   
478-344 4 Lake Sinclair GA   067D ONVOY, LLC - GA 446   2020-03-09   
478-344 5 Lake Sinclair GA   067D ONVOY, LLC - GA 446   2020-03-09   
478-344 6 Lake Sinclair GA   067D ONVOY, LLC - GA 446   2020-10-11   
478-344 7 Lake Sinclair GA   067D ONVOY, LLC - GA 446   2020-10-11   
478-344 8 Lake Sinclair GA   067D ONVOY, LLC - GA 446   2021-03-28   
478-344 9 Lake Sinclair GA   067D ONVOY, LLC - GA 446   2021-07-05   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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