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: FRSNCA01X2Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
559-205 8 Visalia CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2016-01-28   
559-214 4 Fresno CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2016-08-28   
559-329 A Tulare CA 7453 U.S. TELEPACIFIC CORP. - CA 728      
559-329 3 Tulare CA 7453 U.S. TELEPACIFIC CORP. - CA 728      
559-363 6 Madera CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2005-10-17   
559-405 6 Del Rey CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2017-09-09   
559-423 6 Lemoore CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2004-11-14   
559-424 7 Mendota CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2014-12-08   
559-465 3 Three Rivers CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2016-04-04   
559-527 7 Terra Bella CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2017-09-09   
559-558 4 Fresno CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2014-08-09   
559-560 3 Porterville CA 7453 U.S. TELEPACIFIC CORP. - CA 728      
559-605 5 Tulare CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2019-06-07   
559-780 5 Corcoran CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2015-07-24   
559-785 4 Fresno CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2014-12-27   
559-803 A Fresno CA 7453 U.S. TELEPACIFIC CORP. - CA 728      
559-803 6 Fresno CA 7453 U.S. TELEPACIFIC CORP. - CA 728   2004-12-24   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.