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: 443

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-443 A Millbrae CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-443 0 Millbrae CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL, INC. 722   2020-10-01   
650-443 1 Millbrae CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-443 2 Millbrae CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-443 3 Millbrae CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-443 4 Millbrae CA SNJSCAYB0MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 722      
650-443 5 Millbrae CA OKLDCAMP1MD  4733 PAETEC COMMUNICATIONS, INC. - CA 722   2010-05-17   
650-443 6 Millbrae CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-443 7 Millbrae CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2014-05-16   
650-443 8 Millbrae CA OKLECAZVGT0  6529 T-MOBILE USA, INC. 722   2014-01-03   
650-443 9 Millbrae 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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