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.

Crestline, CA

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
840-688 A LSANCAJWIMD  965H FRACTEL, LLC 730      
840-688 0 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-13   
840-688 1 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-13   
840-688 2   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2025-02-23   
840-688 4 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2022-10-30   
840-688 7 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2024-09-16   
840-688 8 LSANCAJWIMD  965H FRACTEL, LLC 730   2021-12-24   
840-688 9 LSANCARC32Z  073H TELNYX LLC 730   2022-01-16   
909-245 A BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
909-245 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2012-02-04   
909-245 1 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2007-06-14   
909-245 2 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2010-03-08   
909-245 3 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2012-10-27   
909-245 4 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2012-10-27   
909-245 6 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2012-10-27   
909-245 7 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2012-10-27   
909-245 8 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2012-10-27   
909-245 9 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2013-03-08   
909-338 A CRLNCAXF33X  2319 FRONTIER CALIFORNIA INC. 730      
909-487 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
909-487 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-01-18   
909-487 1 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-07-17   
909-487 2 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-07-17   
909-487 3 IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2014-12-01   
909-487 4 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-06-29   
909-487 5 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-07-31   
909-487 6 LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730   2014-06-27   
909-487 7 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2013-12-15   
909-487 8 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-07-31   
909-487 9 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2015-04-30   
909-589 A RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730      
909-589 0 HSPRCABB0MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2005-03-01   
909-589 1 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2013-03-29   
909-589 2 HSPRCABB0MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2010-04-23   
909-589 4 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2002-12-22   
909-589 5 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-13   
909-589 6 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2008-06-01   
909-589 7   515J IP HORIZON LLC 730   2004-11-13   
909-589 8   515J IP HORIZON LLC 730   2004-11-13   
909-589 9 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2006-08-12   
909-698 A ONTRCAXPXPY  649C ONVOY, LLC - CA 730      
909-698 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-03-02   
909-698 1 HSPRCABB0MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2018-09-26   
909-698 2 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2022-12-16   
909-698 3 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2018-08-26   
909-698 4 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-11-09   
909-698 5 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2016-11-09   
909-698 6 LNBHCAAXDS0  707H INTEGRATED PATH COMMUNICATIONS, LLC - CA 730   2018-05-08   
909-698 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-03-02   
909-698 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-03-02   
909-698 9 LSANCAJW6MD  073H TELNYX LLC 730   2017-08-14   
909-715 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
909-715 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-06   
909-715 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-06   
909-715 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2019-04-06   
909-715 3 ONTRCAXPXOY  624H ONVOY SPECTRUM, LLC 730   2020-07-02   
909-715 4 ONTRCAXPXOY  624H ONVOY SPECTRUM, LLC 730   2020-07-02   
909-715 5 ONTRCAXPXOY  624H ONVOY SPECTRUM, LLC 730   2020-07-02   
909-715 6 ONTRCAXPXOY  624H ONVOY SPECTRUM, LLC 730   2020-07-02   
909-715 7 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2020-08-28   
909-715 8 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2020-08-28   
909-715 9 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2020-06-06   
909-897 A ONTRCAXPXPY  649C ONVOY, LLC - CA 730      
909-897 0 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-07-30   
909-897 1 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-07-30   
909-897 2 LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-01   
909-897 3 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-10-02   
909-897 4 ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-10-02   
909-897 5 ONTRCAXPXOY  624H ONVOY SPECTRUM, LLC 730   2021-05-22   
909-897 6 ONTRCAXPXOY  624H ONVOY SPECTRUM, LLC 730   2021-05-22   
909-897 7 ONTRCAXPXOY  624H ONVOY SPECTRUM, LLC 730   2021-05-22   
909-897 9 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2020-11-24   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.