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.

Switch: FRSOCAYM7MD

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-412 3 Fresno CA 5562 METROPCS, INC. 728   2007-12-17   
559-412 6 Fresno CA 6529 T-MOBILE USA, INC. 728   2008-01-19   
559-412 9 Fresno CA 6529 T-MOBILE USA, INC. 728   2008-02-11   
559-413 5 Hanford CA 5562 METROPCS, INC. 728   2018-08-24   
559-415 9 Hanford CA 6529 T-MOBILE USA, INC. 728   2007-01-18   
559-416 1 Madera CA 6529 T-MOBILE USA, INC. 728   2007-09-19   
559-416 2 Madera CA 6529 T-MOBILE USA, INC. 728   2007-08-13   
559-416 3 Madera CA 6529 T-MOBILE USA, INC. 728   2007-09-27   
559-417 6 Fresno CA 6529 T-MOBILE USA, INC. 728   2008-02-11   
559-420 5 Fresno CA 6529 T-MOBILE USA, INC. 728   2021-04-20   
559-420 8 Fresno CA 5562 METROPCS, INC. 728   2009-07-02   
559-420 9 Fresno CA 6529 T-MOBILE USA, INC. 728   2021-10-12   
559-421 4 Fresno CA 6529 T-MOBILE USA, INC. 728   2021-12-10   
559-421 5 Fresno CA 6529 T-MOBILE USA, INC. 728   2009-12-11   
559-421 8 Fresno CA 6529 T-MOBILE USA, INC. 728   2010-01-28   
559-429 0 Visalia CA 6529 T-MOBILE USA, INC. 728   2008-06-22   
559-429 1 Visalia CA 6529 T-MOBILE USA, INC. 728   2008-08-23   
559-436 9 Fresno CA 6529 T-MOBILE USA, INC. 728   2011-11-17   
559-442 9 Fresno CA 5562 METROPCS, INC. 728   2013-08-06   
559-444 3 Fresno CA 6529 T-MOBILE USA, INC. 728   2007-03-09   
559-451 5 Fresno CA 6529 T-MOBILE USA, INC. 728   2011-11-17   
559-451 7 Fresno CA 6529 T-MOBILE USA, INC. 728   2006-11-24   
559-455 3 Fresno CA 6529 T-MOBILE USA, INC. 728   2004-07-17   
559-455 7 Fresno CA 6529 T-MOBILE USA, INC. 728   2004-03-16   
559-455 8 Fresno CA 6529 T-MOBILE USA, INC. 728   2004-08-08   
559-457 9 Fresno CA 6529 T-MOBILE USA, INC. 728   2006-02-27   
559-469 A Hanford CA 6529 T-MOBILE USA, INC. 728      
559-469 1 Hanford CA 6529 T-MOBILE USA, INC. 728      
559-469 2 Hanford CA 6529 T-MOBILE USA, INC. 728      
559-469 3 Hanford CA 6529 T-MOBILE USA, INC. 728      
559-469 4 Hanford CA 6529 T-MOBILE USA, INC. 728      
559-469 5 Hanford CA 6529 T-MOBILE USA, INC. 728   2015-03-02   
559-469 6 Hanford CA 5562 METROPCS, INC. 728      
559-469 7 Hanford CA 5562 METROPCS, INC. 728      
559-469 8 Hanford CA 6529 T-MOBILE USA, INC. 728      
559-469 9 Hanford CA 5562 METROPCS, INC. 728      
559-472 8 Clovis CA 6529 T-MOBILE USA, INC. 728   2010-01-15   
559-473 3 Fresno CA 6529 T-MOBILE USA, INC. 728   2010-01-07   
559-473 5 Fresno CA 6529 T-MOBILE USA, INC. 728   2004-04-12   
559-473 6 Fresno CA 6529 T-MOBILE USA, INC. 728   2003-11-09   
559-473 7 Fresno CA 6529 T-MOBILE USA, INC. 728   2003-11-09   
559-473 8 Fresno CA 6529 T-MOBILE USA, INC. 728   2003-11-09   
559-473 9 Fresno CA 6529 T-MOBILE USA, INC. 728   2003-11-09   
559-474 9 Madera CA 6529 T-MOBILE USA, INC. 728   2003-07-09   
559-475 1 Fresno CA 6529 T-MOBILE USA, INC. 728   2008-09-12   
559-475 2 Fresno CA 6529 T-MOBILE USA, INC. 728   2008-09-12   
559-475 3 Fresno CA 6529 T-MOBILE USA, INC. 728   2008-10-06   
559-475 4 Fresno CA 6529 T-MOBILE USA, INC. 728   2008-10-30   
559-478 3 Fresno CA 6529 T-MOBILE USA, INC. 728   2008-06-05   
559-479 A Madera CA 5562 METROPCS, INC. 728      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.