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: 626 [Rate centres in NPA 626] [Dial plan for NPA 626]

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-400 A Arcadia CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
626-400 0 Arcadia CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2010-06-18   
626-400 1 Arcadia CA   515J IP HORIZON LLC 730      
626-400 2 Arcadia CA   515J IP HORIZON LLC 730      
626-400 3 Arcadia CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2010-06-18   
626-400 4 Arcadia CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2013-01-11   
626-400 5 Arcadia CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-02-07   
626-400 6 Arcadia CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-04-15   
626-400 7 Arcadia CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-08-06   
626-400 8 Arcadia CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-08-06   
626-400 9 Arcadia CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2006-08-06   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.