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: 601

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-601 A Caruthers CA FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-601 0 Caruthers CA   981E BANDWIDTH.COM CLEC, LLC - CA 728   2016-09-19   
559-601 1 Caruthers CA   073H TELNYX LLC 728   2017-03-24   
559-601 2 Caruthers CA   649C ONVOY, LLC - CA 728   2021-08-13   
559-601 3 Caruthers CA   649C ONVOY, LLC - CA 728   2021-08-13   
559-601 4 Caruthers CA   624H ONVOY SPECTRUM, LLC 728   2021-11-01   
559-601 5 Caruthers CA   624H ONVOY SPECTRUM, LLC 728   2021-11-01   
559-601 6 Caruthers CA   6529 T-MOBILE USA, INC. 728   2016-11-03   
559-601 7 Caruthers CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2021-09-24   
559-601 8 Caruthers CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2020-04-15   
559-601 9 Caruthers CA   6529 T-MOBILE USA, INC. 728   2016-06-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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