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: 551

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-551 A Reedley CA FRSNCAPMDMD  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-551 0 Reedley CA   073H TELNYX LLC 728   2017-03-24   
559-551 1 Reedley CA   649C ONVOY, LLC - CA 728   2017-04-27   
559-551 2 Reedley CA   649C ONVOY, LLC - CA 728   2019-02-08   
559-551 3 Reedley CA   649C ONVOY, LLC - CA 728   2019-02-08   
559-551 4 Reedley CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2019-02-27   
559-551 5 Reedley CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2023-08-07   
559-551 6 Reedley CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2021-03-31   
559-551 7 Reedley CA   6529 T-MOBILE USA, INC. 728   2016-07-11   
559-551 8 Reedley CA   6529 T-MOBILE USA, INC. 728   2016-07-11   
559-551 9 Reedley CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2015-12-28   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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