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: 408

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
478-408 A Centerville (Houston) GA MACNGAMT3MD  067D ONVOY, LLC - GA 446   2024-06-21   
478-408 0 Centerville (Houston) GA MACNGAMT3MD  067D ONVOY, LLC - GA 446   2024-06-21   
478-408 1 Centerville (Houston) GA MACNGAMTXKY  624H ONVOY SPECTRUM, LLC 446   2024-10-21   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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