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: 931

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-931 A San Mateo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 0 San Mateo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 1 San Mateo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 2 San Mateo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 3 San Mateo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 4 San Mateo CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-03-19   
650-931 5 San Mateo CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2008-05-08   
650-931 6 San Mateo CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2009-07-03   
650-931 7 San Mateo CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2007-05-12   
650-931 8 San Mateo CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-931 9 San Mateo 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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