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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-587 A Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 0 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 1 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 2 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2006-09-17   
650-587 3 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 4 Redwood City CA SNJUCACL3MD  073H TELNYX LLC 722   2017-06-02   
650-587 5 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      
650-587 6 Redwood City CA SNFCCA21XPZ  553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
650-587 7 Redwood City CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722   2021-11-19   
650-587 8 Redwood City CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722   2015-07-10   
650-587 9 Redwood City CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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