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.

NPA: 818 [Rate centres in NPA 818] [Dial plan for NPA 818]

NXX: 405

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
818-405 A La Crescenta CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730      
818-405 0 La Crescenta CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-06-23   
818-405 1 La Crescenta CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730   2013-08-22   
818-405 2 La Crescenta CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-04-27   
818-405 3 La Crescenta CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-05-16   
818-405 4 La Crescenta CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2011-09-17   
818-405 5 La Crescenta CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-04-19   
818-405 6 La Crescenta CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2014-12-02   
818-405 7 La Crescenta CA ELMNCAFIGT1  6529 T-MOBILE USA, INC. 730   2006-08-26   
818-405 8 La Crescenta CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-01-16   
818-405 9 La Crescenta CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-09-14   

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.