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: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-550 A Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728      
559-550 0 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2017-10-20   
559-550 1 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2017-10-20   
559-550 2 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2017-10-20   
559-550 3 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2017-10-20   
559-550 4 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2017-10-20   
559-550 5 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2017-10-20   
559-550 6 Fresno CA FRSNCA01XOY  649C ONVOY, LLC - CA 728   2017-10-20   
559-550 7 Fresno CA FRSNCA01XTY  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728   2017-12-04   
559-550 8 Fresno CA FRSNCA01XTY  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728   2019-03-08   
559-550 9 Fresno CA FRSOCAYM7MD  5562 METROPCS, INC. 728   2018-04-16   

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

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