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.

Malibu, CA

1 2 3 4 5 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
310-317 A MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 0 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 1 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 2 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 3 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 4 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 5 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
310-317 6 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 7 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2004-09-25   
310-317 8 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-317 9 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-359 A TRNECAGBGT3  6529 T-MOBILE USA, INC. 730      
310-359 0 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2005-07-09   
310-359 1 SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2005-07-09   
310-359 2 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-07-10   
310-359 3 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-09-16   
310-359 4 CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-08-21   
310-359 5 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-09-16   
310-359 6 IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2005-11-15   
310-359 7 SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2022-04-19   
310-359 8 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-12-12   
310-359 9 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-04-07   
310-456 A MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 0 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 1 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 2 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 3 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 4 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2004-12-20   
310-456 5 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 6 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 7 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 8 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-456 9 MALBCAXG45A  2319 FRONTIER CALIFORNIA INC. 730      
310-457 A MALBCAXF45K  2319 FRONTIER CALIFORNIA INC. 730      
310-494 A LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-494 0 LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-494 1 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2005-03-11   
310-494 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-03-24   
310-494 3 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-10-16   
310-494 4 LSANCA03DS3  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2001-12-01   
310-494 5 LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-494 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-08-17   
310-494 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2012-10-14   
310-494 8 TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2003-09-20   
310-494 9 LSANCA54ZMD  8690 GLOBAL CROSSING LOCAL SERVICES, INC. - CA 730      
310-506 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-506 0 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2000-07-14   
310-506 1 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-506 2 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
310-506 3 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

1 2 3 4 5 6 >>

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.