Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 510 [Rate centres in NPA 510] [Dial plan for NPA 510]

NXX: 546

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
510-546 A Hayward CA   624H ONVOY SPECTRUM, LLC 722   2024-03-08   
510-546 0 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 1 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 2 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 3 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 4 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 5 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 6 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 7 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 8 Hayward CA   624H ONVOY SPECTRUM, LLC 722      
510-546 9 Hayward CA   624H ONVOY SPECTRUM, LLC 722      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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