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: 373

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-373 A Madera CA FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-373 0 Madera CA   981E BANDWIDTH.COM CLEC, LLC - CA 728   2015-05-03   
559-373 1 Madera CA   6529 T-MOBILE USA, INC. 728   2015-03-12   
559-373 2 Madera CA   6529 T-MOBILE USA, INC. 728   2015-03-12   
559-373 3 Madera CA   6529 T-MOBILE USA, INC. 728   2015-03-12   
559-373 4 Madera CA   6529 T-MOBILE USA, INC. 728   2015-03-12   
559-373 5 Madera CA   6529 T-MOBILE USA, INC. 728   2015-03-09   
559-373 6 Madera CA   6529 T-MOBILE USA, INC. 728   2015-03-09   
559-373 7 Madera CA   6529 T-MOBILE USA, INC. 728   2015-03-09   
559-373 8 Madera CA   6529 T-MOBILE USA, INC. 728   2015-02-20   
559-373 9 Madera CA   6529 T-MOBILE USA, INC. 728   2015-01-05   

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

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