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.
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California Hot Springs, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
661-453 A BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-453 0 BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-453 1 BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-453 2 BKFDCA11X6X  073H TELNYX LLC 734   2022-07-03   
661-453 3 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-07-22   
661-453 4 BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-453 5 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-03-04   
661-453 6 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-03-04   
661-453 8 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-12-19   
661-453 9 BKFDCA11X5X  073H TELNYX LLC 734   2023-06-25   
661-548 A CHSPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-548 2 BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2010-08-28   
661-548 3 BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734   2014-12-25   
661-548 4   145J TERRA NOVA TELECOM INC. 734   2020-11-14   
661-548 6 CHSPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-548 7 BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734   2015-05-05   
661-548 8 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-10-08   
661-689 A BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-689 0 BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-689 1   515J IP HORIZON LLC 734   2006-09-28   
661-689 2   515J IP HORIZON LLC 734   2006-09-28   
661-689 3 BKFDCAKTOMD  073H TELNYX LLC 734   2018-07-10   
661-689 4 BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734   2005-07-26   
661-689 5 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2017-04-04   
661-689 6 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-689 7 BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-689 8 BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2024-01-05   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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