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: 937

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-937 A Reedley CA SNGRCAXFUMD  624H ONVOY SPECTRUM, LLC 728   2025-02-27   
559-937 0 Reedley CA SNGRCAXFUMD  624H ONVOY SPECTRUM, LLC 728   2025-02-27   
559-937 1 Reedley CA FRSNCAPMDMD  6010 NEW CINGULAR WIRELESS PCS, LLC 728   2025-09-14   
559-937 2 Reedley CA FRSNCA01XNY  981E BANDWIDTH.COM CLEC, LLC - CA 728   2026-06-08   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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