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.

Northridge, CA

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
747-799 0 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-10-03   
747-799 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-10-03   
747-799 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-10-03   
747-799 3 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-14   
747-799 4 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-14   
747-799 5 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-14   
747-799 6 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-14   
747-799 7 LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2021-11-14   
747-799 8 LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-02   
747-799 9 LSANCAJWIMD  965H FRACTEL, LLC 730   2021-09-06   
747-836 A LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
747-836 0 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-03-12   
747-836 1 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-03-12   
747-836 2 LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-03-11   
747-836 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-03-12   
747-836 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-03-12   
747-836 5 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2022-03-12   
747-836 6 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2022-03-12   
747-836 7 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2022-03-12   
747-836 8 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2022-03-12   
747-836 9 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-08-21   
818-280 A IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
818-280 0 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
818-280 1 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
818-280 2 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
818-280 3 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2011-06-05   
818-280 4 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2012-01-06   
818-280 5 SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2012-05-14   
818-280 6 ANHMCA01XEY  516C AT&T CORP. 730   2011-06-23   
818-280 7 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2005-01-17   
818-280 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2012-08-31   
818-280 9 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2011-05-27   
818-341 A NORGCA11DS1  9740 PACIFIC BELL 730      
818-349 A NORGCA11DS1  9740 PACIFIC BELL 730      
818-350 A BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
818-350 0 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
818-350 1 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2008-06-15   
818-350 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-23   
818-350 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2008-11-23   
818-350 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2006-11-04   
818-350 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2008-12-04   
818-350 6 BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
818-350 7 LSANCARCD3S  649C ONVOY, LLC - CA 730   2020-09-01   
818-350 8 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2011-12-24   
818-350 9 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2012-03-12   
818-357 A SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
818-357 0 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2002-12-08   
818-357 1 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2004-08-15   
818-357 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2006-03-23   
818-357 3 SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2004-04-03   

<< 1 2 3 4 5 6 7 8 9 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.