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: 876

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-876 A Sanger CA SNGRCAXF87A  4420 FRONTIER CALIFORNIA INC. 728      
559-876 0 Sanger CA   649C ONVOY, LLC - CA 728   2021-05-09   
559-876 1 Sanger CA   4420 FRONTIER CALIFORNIA INC. 728      
559-876 2 Sanger CA   4420 FRONTIER CALIFORNIA INC. 728      
559-876 3 Sanger CA   4420 FRONTIER CALIFORNIA INC. 728      
559-876 4 Sanger CA   649C ONVOY, LLC - CA 728   2011-09-27   
559-876 5 Sanger CA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 728   2007-09-03   
559-876 6 Sanger CA   4420 FRONTIER CALIFORNIA INC. 728      
559-876 7 Sanger CA   145J TERRA NOVA TELECOM INC. 728   2021-01-09   
559-876 8 Sanger CA   073H TELNYX LLC 728   2017-03-24   
559-876 9 Sanger CA   649C ONVOY, LLC - CA 728   2024-03-07   

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

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