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: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
478-307 A Swainsboro GA AGSTGAMT09Z  495J STRATUS NETWORKS 442      
478-307 0 Swainsboro GA   983E BANDWIDTH.COM CLEC, LLC - GA 442   2021-12-09   
478-307 1 Swainsboro GA   495J STRATUS NETWORKS 442   2021-02-19   
478-307 6 Swainsboro GA   067D ONVOY, LLC - GA 442   2023-10-15   
478-307 7 Swainsboro GA   067D ONVOY, LLC - GA 442   2023-10-15   
478-307 8 Swainsboro GA   624H ONVOY SPECTRUM, LLC 442   2023-05-22   
478-307 9 Swainsboro GA   067D ONVOY, LLC - GA 442   2023-07-24   

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

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