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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-990 A Sanger CA SNGRCAXFTMD  622J SKYE TELECOM LLC DBA SKYETEL 728      
559-990 0 Sanger CA SNGRCAXFTMD  622J SKYE TELECOM LLC DBA SKYETEL 728   2021-11-05   
559-990 1 Sanger CA FRSOCAYM7MD  5562 METROPCS, INC. 728   2022-04-09   
559-990 2 Sanger CA SNGRCAXFUMD  624H ONVOY SPECTRUM, LLC 728   2023-11-02   
559-990 3 Sanger CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2023-08-10   
559-990 4 Sanger CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2023-08-10   
559-990 6 Sanger CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2023-08-10   
559-990 7 Sanger CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2023-08-10   
559-990 8 Sanger CA SNGRCAXFWMD  649C ONVOY, LLC - CA 728   2023-08-10   
559-990 9 Sanger CA FRSOCAYM7MD  5562 METROPCS, INC. 728   2021-11-06   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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