Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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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   2013-08-22   
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   2012-02-13   
626-921 3 Sierra Madre CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2018-12-09   
626-921 4 Sierra Madre CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2004-01-13   
626-921 5 Sierra Madre CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2005-04-03   
626-921 6 Sierra Madre CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2009-01-14   
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: Sun, 27 Apr 2025 12:48:38 UTC

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