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
559-479 0 Madera CA 5562 METROPCS, INC. 728      
559-479 1 Madera CA 5562 METROPCS, INC. 728      
559-479 2 Madera CA 5562 METROPCS, INC. 728      
559-479 3 Madera CA 5562 METROPCS, INC. 728   2009-09-01   
559-479 6 Madera CA 6529 T-MOBILE USA, INC. 728      
559-479 7 Madera CA 6529 T-MOBILE USA, INC. 728      
559-486 9 Fresno CA 5562 METROPCS, INC. 728   2011-11-17   
559-489 1 Fresno CA 5562 METROPCS, INC. 728   2010-03-12   
559-491 A Hanford CA 6529 T-MOBILE USA, INC. 728      
559-491 6 Hanford CA 5562 METROPCS, INC. 728   2016-04-18   
559-491 7 Hanford CA 5562 METROPCS, INC. 728   2016-04-18   
559-491 8 Hanford CA 5562 METROPCS, INC. 728   2021-02-01   
559-495 5 Fresno CA 6529 T-MOBILE USA, INC. 728   2007-01-20   
559-495 8 Fresno CA 6529 T-MOBILE USA, INC. 728   2006-04-09   
559-496 9 Fresno CA 6529 T-MOBILE USA, INC. 728   2010-07-22   
559-499 3 Fresno CA 5562 METROPCS, INC. 728   2012-04-05   
559-500 8 Fresno CA 6529 T-MOBILE USA, INC. 728   2013-08-06   
559-505 6 Madera CA 6529 T-MOBILE USA, INC. 728   2024-07-03   
559-505 7 Madera CA 6529 T-MOBILE USA, INC. 728   2024-07-03   
559-510 7 Tulare CA 5562 METROPCS, INC. 728   2021-10-28   
559-510 9 Tulare CA 5562 METROPCS, INC. 728   2022-04-26   
559-512 9 Fresno CA 6529 T-MOBILE USA, INC. 728   2010-10-16   
559-514 7 Madera CA 6529 T-MOBILE USA, INC. 728   2012-04-03   
559-514 9 Madera CA 6529 T-MOBILE USA, INC. 728   2012-08-16   
559-515 9 Fresno CA 6529 T-MOBILE USA, INC. 728   2010-09-02   
559-517 1 Madera CA 6529 T-MOBILE USA, INC. 728   2013-05-23   
559-517 4 Madera CA 6529 T-MOBILE USA, INC. 728   2011-09-02   
559-517 5 Madera CA 6529 T-MOBILE USA, INC. 728   2012-10-08   
559-517 8 Madera CA 6529 T-MOBILE USA, INC. 728   2012-10-08   
559-521 5 Del Rey CA 6529 T-MOBILE USA, INC. 728   2007-05-03   
559-530 5 Hanford CA 6529 T-MOBILE USA, INC. 728   2010-12-02   
559-536 1 Madera CA 5562 METROPCS, INC. 728   2014-03-21   
559-537 9 Hanford CA 6529 T-MOBILE USA, INC. 728   2012-04-21   
559-538 8 Fresno CA 5562 METROPCS, INC. 728   2015-06-11   
559-541 A Fresno CA 5562 METROPCS, INC. 728      
559-541 0 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 1 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 2 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 3 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 4 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 5 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 6 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 7 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 8 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-541 9 Fresno CA 5562 METROPCS, INC. 728   2015-05-28   
559-544 0 Porterville CA 5562 METROPCS, INC. 728   2012-06-29   
559-544 2 Porterville CA 6529 T-MOBILE USA, INC. 728   2015-04-28   
559-544 5 Porterville CA 6529 T-MOBILE USA, INC. 728   2014-03-26   
559-544 8 Porterville CA 6529 T-MOBILE USA, INC. 728   2013-08-08   
559-545 A Clovis CA 6529 T-MOBILE USA, 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: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.