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: 921

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
626-921 A Sierra Madre CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
626-921 0 Sierra Madre CA COVNCAXFXUX  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
626-921 1 Sierra Madre CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
626-921 2 Sierra Madre CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
626-921 3 Sierra Madre CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
626-921 4 Sierra Madre CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
626-921 5 Sierra Madre CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
626-921 6 Sierra Madre CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
626-921 8 Sierra Madre CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      
626-921 9 Sierra Madre CA IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.