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: 677

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
478-677 A Dudley GA DBLNGACB2MD  792K CHARTER IP ENABLED SERVICES, LLC 446   2025-02-12   
478-677 0 Dudley GA DBLNGACB2MD  792K CHARTER IP ENABLED SERVICES, LLC 446   2018-06-08   
478-677 7 Dudley GA MACNGAMT1MD  6116 LEVEL 3 COMMUNICATIONS, LLC - GA 446   2024-08-05   
478-677 9 Dudley GA MACNGAGAX4X  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 446   2021-03-11   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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