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: 975

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-975 A Madera CA FRSNCAPMGT0  6010 NEW CINGULAR WIRELESS PCS, LLC 728      
559-975 0 Madera CA   6529 T-MOBILE USA, INC. 728   2009-06-12   
559-975 1 Madera CA   515J IP HORIZON LLC 728      
559-975 2 Madera CA   515J IP HORIZON LLC 728      
559-975 3 Madera CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2012-10-22   
559-975 4 Madera CA   515J IP HORIZON LLC 728      
559-975 5 Madera CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2005-05-12   
559-975 6 Madera CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2005-08-20   
559-975 7 Madera CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2005-11-06   
559-975 8 Madera CA   649C ONVOY, LLC - CA 728   2005-11-14   
559-975 9 Madera CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 728   2005-10-06   

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

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