Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: FRSNCA0123Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-239 9 Lindsay CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2017-09-14   
559-386 3 Avenal CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2017-10-02   
559-409 3 Visalia CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2017-09-14   
559-539 8 Springville CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2018-11-08   
559-561 8 Three Rivers CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2018-11-08   
559-564 9 Woodlake CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2018-09-08   
559-565 8 Sequoia CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2018-11-08   
559-594 8 Exeter CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2017-09-14   
559-596 9 Dinuba CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2018-10-17   
559-597 6 Lemon Cove CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2018-09-06   
559-615 A Porterville CA 792K CHARTER IP ENABLED SERVICES, LLC 728      
559-615 0 Porterville CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2019-02-18   
559-615 1 Porterville CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2016-08-07   
559-626 9 Orange Cove CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2018-09-08   
559-752 7 Tipton CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2025-12-10   
559-757 4 Pixley CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2025-11-09   
559-854 7 Porterville CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2018-05-17   
559-887 7 Tulare CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2025-12-10   
559-953 3 Terra Bella CA 792K CHARTER IP ENABLED SERVICES, LLC 728   2025-12-10   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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