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: 933

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-933 A Firebaugh CA FRSNCA0101Z  516J TON80 COMMUNICATIONS, LLC 728      
559-933 0 Firebaugh CA   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-933 1 Firebaugh CA   624H ONVOY SPECTRUM, LLC 728   2024-01-03   
559-933 2 Firebaugh CA   073H TELNYX LLC 728   2018-06-27   
559-933 3 Firebaugh CA   649C ONVOY, LLC - CA 728   2019-03-16   
559-933 4 Firebaugh CA   649C ONVOY, LLC - CA 728   2021-08-13   
559-933 5 Firebaugh CA   649C ONVOY, LLC - CA 728   2019-03-16   
559-933 6 Firebaugh CA   516J TON80 COMMUNICATIONS, LLC 728   2021-08-13   
559-933 7 Firebaugh CA   981E BANDWIDTH.COM CLEC, LLC - CA 728   2009-02-24   
559-933 8 Firebaugh CA   649C ONVOY, LLC - CA 728   2021-08-13   
559-933 9 Firebaugh CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2013-11-08   

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

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