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.

Downey, CA

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
562-545 4 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-10-15   
562-545 5 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-10-15   
562-545 6 LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-21   
562-545 7 LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-21   
562-545 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-12   
562-545 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-20   
562-571 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-571 0 LNBHCAXPXAY  624H ONVOY SPECTRUM, LLC 730   2021-11-15   
562-571 1 LSANCAJW7MD  939H COMMIO, LLC 730   2021-11-09   
562-571 2 LSANCAJW7MD  939H COMMIO, LLC 730   2021-11-09   
562-571 3 LSANCAJW7MD  939H COMMIO, LLC 730   2021-11-09   
562-571 4 LSANCAJW7MD  939H COMMIO, LLC 730   2021-11-09   
562-571 5 LSANCAJW7MD  939H COMMIO, LLC 730   2021-11-09   
562-571 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-08   
562-571 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-08   
562-571 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-08   
562-571 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-11-08   
562-579 A LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-579 0 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-12-26   
562-579 1 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-12-26   
562-579 2 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-12-26   
562-579 3 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-12-26   
562-579 4 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-12-26   
562-579 5 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2021-12-27   
562-579 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-12-27   
562-579 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-12-27   
562-579 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-12-27   
562-579 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-12-27   
562-622 A DWNYCAXF86K  2319 FRONTIER CALIFORNIA INC. 730      
562-635 A LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-635 0 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-12-17   
562-635 1 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-12-17   
562-635 2 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-12-17   
562-635 3 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-12-17   
562-635 4 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-12-17   
562-635 5 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2022-12-18   
562-635 6 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2022-12-18   
562-635 7 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2022-12-18   
562-635 8 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-08-01   
562-635 9 LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-21   
562-636 A GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730      
562-636 0 LSANCARC32Z  073H TELNYX LLC 730   2023-06-22   
562-636 1 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-03-06   
562-636 2 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-03-06   
562-636 3 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-03-06   
562-636 4 LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2023-03-06   
562-636 5   6529 T-MOBILE USA, INC. 730   2024-02-22   
562-636 6 GRDNCA02KMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2023-03-02   
562-636 7 LNBHCAXPXAY  624H ONVOY SPECTRUM, LLC 730   2023-04-01   
562-636 8 LNBHCAXPXAY  624H ONVOY SPECTRUM, LLC 730   2023-04-01   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.