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: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-330 A Madera CA FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-330 0 Madera CA   9262 UTILITY TELECOM GROUP, LLC - CA 728   2015-10-16   
559-330 1 Madera CA   981E BANDWIDTH.COM CLEC, LLC - CA 728   2016-07-28   
559-330 2 Madera CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2016-09-17   
559-330 3 Madera CA   6529 T-MOBILE USA, INC. 728   2016-11-12   
559-330 4 Madera CA   6529 T-MOBILE USA, INC. 728   2015-08-16   
559-330 5 Madera CA   5562 METROPCS, INC. 728   2018-06-01   
559-330 6 Madera CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2018-10-20   
559-330 7 Madera CA   6529 T-MOBILE USA, INC. 728   2016-10-08   
559-330 8 Madera CA   6529 T-MOBILE USA, INC. 728   2016-10-08   
559-330 9 Madera CA   6529 T-MOBILE USA, INC. 728   2015-08-16   

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

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