Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 650 [Rate centres in NPA 650] [Dial plan for NPA 650]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-421 A Redwood City CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-421 0 Redwood City CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-421 1 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-03-14   
650-421 2 Redwood City CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-421 3 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2010-03-14   
650-421 4 Redwood City CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-421 5 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2009-03-04   
650-421 6 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2009-03-04   
650-421 7 Redwood City CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-421 8 Redwood City CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-421 9 Redwood City CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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