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.

Pasadena: La Cañada DA, CA

1 2 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
747-268 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-268 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-10-17   
747-268 1 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2016-12-09   
747-268 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2017-01-09   
747-268 3 LSANCAJW6MD  073H TELNYX LLC 730   2017-06-16   
747-268 4 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-10-21   
747-268 5 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-12-29   
747-268 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-12-12   
747-268 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2019-09-09   
747-268 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-06-07   
747-268 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-06-07   
747-317 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
747-317 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-12-25   
747-317 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-08-10   
747-317 6 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2025-01-23   
747-317 8 LSANCAJW5MD  197D VONAGE AMERICA LLC 730   2023-10-23   
747-317 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-04-05   
747-737 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
747-737 0 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-28   
747-737 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-28   
747-737 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-11-14   
747-737 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-12-04   
747-737 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-12-04   
747-737 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-11-14   
747-737 6 GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2021-10-04   
747-737 8 LSANCAJWRMD  026K BARR TELL USA, LLC 730   2022-06-24   
747-737 9 LSANCARC32Z  073H TELNYX LLC 730   2022-09-18   
818-354 A LACNCA11DS0  9740 PACIFIC BELL 730      
818-393 A LACNCA11DS0  9740 PACIFIC BELL 730      
818-495 A ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
818-495 0 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-08-10   
818-495 1 ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
818-495 2 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2001-04-20   
818-495 3 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-12-24   
818-495 4 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-01-13   
818-495 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-27   
818-495 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2007-05-11   
818-495 7 ANHMCA01XEY  516C AT&T CORP. 730   2008-10-09   
818-495 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-08-15   
818-495 9 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-20   
818-583 A LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-583 0 LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-05-03   
818-583 1 ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730   2002-02-11   
818-583 2   515J IP HORIZON LLC 730   2003-10-13   
818-583 3   515J IP HORIZON LLC 730   2003-10-13   
818-583 4 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2006-03-27   
818-583 5 LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730   2006-06-20   
818-583 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-03-25   
818-583 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-02-19   
818-583 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-03-08   
818-583 9 LSANCA03DS7  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
818-659 A LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
818-659 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-07-29   
818-659 1 LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-04-08   
818-659 2 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-10-21   
818-659 3 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-04-29   
818-659 4   145J TERRA NOVA TELECOM INC. 730   2022-05-23   
818-659 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-12-16   
818-659 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-08-28   
818-659 7 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-04-29   
818-659 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-01-10   
818-659 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-12   
818-790 A LACRCA11DS0  9740 PACIFIC BELL 730      
818-864 A LSANCARC8KD  7379 MATRIX TELECOM, LLC. S/I/I TNCI - CA 730      
818-864 0 LSANCARCD3S  649C ONVOY, LLC - CA 730      
818-864 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-12   
818-864 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
818-864 3 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2009-01-09   
818-864 4 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-04-27   
818-864 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2006-01-13   
818-864 6 MTPKCACG1MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2005-08-10   
818-864 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-12   
818-864 8 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2003-04-11   
818-864 9 LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-07-05   
818-928 A MTPKCACG1MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730      
818-928 0 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-12   
818-928 1 MTPKCACG1MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2014-09-18   
818-928 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-15   
818-928 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-10-17   
818-928 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-10-17   
818-928 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-05-15   
818-928 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-04-21   
818-928 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-12-15   
818-928 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-08-12   
818-928 9 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-07-16   
818-949 A LACRCA11DS0  9740 PACIFIC BELL 730      
818-949 0 LACRCA11DS0  9740 PACIFIC BELL 730      
818-949 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-09-22   
818-949 2 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2011-01-14   
818-949 3 IRVECAEIDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2005-11-15   
818-949 4 LACRCA11DS0  9740 PACIFIC BELL 730      
818-949 5 LACRCA11DS0  9740 PACIFIC BELL 730      
818-949 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-06-06   
818-949 7 LACRCA11DS0  9740 PACIFIC BELL 730      
818-949 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-01-15   
818-949 9 LACRCA11DS0  9740 PACIFIC BELL 730      

1 2 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.