Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 559 [Rate centres in NPA 559] [Dial plan for NPA 559]

NXX: 863

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-863 A Dunlap CA SNGRCAXFVMD  506J TWILIO INTERNATIONAL, INC. 728   2025-01-17   
559-863 0 Dunlap CA FRSNCA01XPZ  073H TELNYX LLC 728   2023-10-01   
559-863 3 Dunlap CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2023-08-26   
559-863 6 Dunlap CA   624H ONVOY SPECTRUM, LLC 728   2025-02-08   
559-863 8 Dunlap CA   506J TWILIO INTERNATIONAL, INC. 728   2025-02-02   

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

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