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.

Tipton, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
559-219 A FRSNCA01TMD  939H COMMIO, LLC 728      
559-219 0   939H COMMIO, LLC 728   2023-10-12   
559-219 1   939H COMMIO, LLC 728   2023-10-12   
559-219 2   939H COMMIO, LLC 728   2023-10-12   
559-219 3   939H COMMIO, LLC 728   2023-10-12   
559-219 4   939H COMMIO, LLC 728   2023-10-12   
559-219 8   624H ONVOY SPECTRUM, LLC 728   2024-01-03   
559-466 A   515J IP HORIZON LLC 728      
559-466 0   981E BANDWIDTH.COM CLEC, LLC - CA 728   2010-08-09   
559-466 1   515J IP HORIZON LLC 728      
559-466 2   515J IP HORIZON LLC 728      
559-466 3   515J IP HORIZON LLC 728   2022-10-20   
559-466 4   515J IP HORIZON LLC 728   2022-10-20   
559-466 5   515J IP HORIZON LLC 728   2022-10-20   
559-466 6   516C AT&T CORP. 728   2010-10-27   
559-466 7   981E BANDWIDTH.COM CLEC, LLC - CA 728   2012-12-28   
559-466 8   981E BANDWIDTH.COM CLEC, LLC - CA 728   2015-06-11   
559-466 9   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2013-12-20   
559-484 A FRSNCAVVDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-484 0   649C ONVOY, LLC - CA 728   2021-07-22   
559-484 1   7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 728      
559-484 2   649C ONVOY, LLC - CA 728   2013-03-17   
559-484 5   649C ONVOY, LLC - CA 728   2019-07-18   
559-484 6   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 728   2019-08-29   
559-484 8   649C ONVOY, LLC - CA 728   2019-03-16   
559-484 9   649C ONVOY, LLC - CA 728   2019-03-16   
559-529 A FRSMCA150MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728      
559-529 0   649C ONVOY, LLC - CA 728      
559-529 1   145J TERRA NOVA TELECOM INC. 728   2024-05-10   
559-529 2   649C ONVOY, LLC - CA 728      
559-529 3   649C ONVOY, LLC - CA 728   2010-12-04   
559-529 4   145J TERRA NOVA TELECOM INC. 728   2023-08-07   
559-529 5   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728   2005-08-02   
559-529 6   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 728   2011-05-06   
559-529 7   649C ONVOY, LLC - CA 728   2021-08-13   
559-529 9   649C ONVOY, LLC - CA 728   2017-11-25   
559-752 A TPTNCA11RS0  9740 PACIFIC BELL 728      
559-752 0   9740 PACIFIC BELL 728      
559-752 1   9740 PACIFIC BELL 728      
559-752 2   073H TELNYX LLC 728   2018-07-10   
559-752 3   145J TERRA NOVA TELECOM INC. 728   2021-10-02   
559-752 4   9740 PACIFIC BELL 728      
559-752 5   9740 PACIFIC BELL 728      
559-752 7   776C CHARTER FIBERLINK CA-CCO, LLC - CA 728   2025-12-10   
559-752 8   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 728   2022-05-12   
559-752 9   981E BANDWIDTH.COM CLEC, LLC - CA 728   2022-02-11   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.