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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 559 [Rate centres in NPA 559] [Dial plan for NPA 559]

NXX: 363

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
559-363 A Madera CA FRSOCAYM7MD  6529 T-MOBILE USA, INC. 728      
559-363 0 Madera CA   6529 T-MOBILE USA, INC. 728      
559-363 1 Madera CA   6529 T-MOBILE USA, INC. 728   2006-11-11   
559-363 2 Madera CA   6529 T-MOBILE USA, INC. 728      
559-363 3 Madera CA   6529 T-MOBILE USA, INC. 728      
559-363 4 Madera CA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 728   2007-02-12   
559-363 5 Madera CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2007-02-22   
559-363 6 Madera CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2025-02-10   
559-363 7 Madera CA   6010 NEW CINGULAR WIRELESS PCS, LLC 728   2013-06-12   
559-363 8 Madera CA   6529 T-MOBILE USA, INC. 728   2006-06-26   
559-363 9 Madera CA   6529 T-MOBILE USA, INC. 728      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.