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 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
562-231 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-231 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
562-231 1 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-231 2 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-231 3 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-231 4 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-231 5 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-231 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-231 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-231 8 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-231 9 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-250 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-250 0   145J TERRA NOVA TELECOM INC. 730      
562-250 1 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-250 2 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-250 3 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-250 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-250 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-250 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-250 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-250 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-250 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-261 A LNBHCAXPXBY  649C ONVOY, LLC - CA 730   2024-01-23   
562-261 0 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-261 1 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-261 2 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-261 3 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-261 4 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-261 5 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
562-261 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-261 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-261 8 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-261 9 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-287 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-287 0   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
562-287 1 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-287 2 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-287 3 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-287 4 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-287 5 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
562-287 6 LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
562-287 7 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
562-287 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-287 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-291 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-291 0 LNBHCAXPXWX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
562-291 1 LNBHCAXPXWX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
562-291 2 LNBHCAXPXWX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
562-291 3 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-291 4 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-291 5 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-291 6 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
562-291 7 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-291 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-291 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-299 A LSAJCAWZ7MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
562-299 0 LSAJCAWZ7MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
562-299 1 LSAJCAWZ7MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
562-299 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-299 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-299 4 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-299 5 LSAJCAWZ7MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
562-299 6 LSAJCAWZ7MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
562-299 7 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
562-299 8 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-299 9 LSAJCAWZ7MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
562-302 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-302 0 LNBHCAXPXWX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
562-302 1 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730      
562-302 2 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-302 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-302 4 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-302 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-302 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-302 7 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-302 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-302 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-306 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-306 0 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-306 1 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-306 2 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-306 3 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-306 4 TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730      
562-306 5 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-306 6 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-306 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-306 8 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
562-306 9 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-319 A BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-319 0 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-319 1 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-319 2 LNBHCAXPXBY  649C ONVOY, LLC - CA 730      
562-319 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-319 4 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
562-319 5 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-319 6 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
562-319 7 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-319 8 NRWLCA141MD  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730      
562-319 9 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
562-334 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

1 2 3 4 5 6 7 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.