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: 731

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-731 A San Francisco: Juniper DA CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-731 0 San Francisco: Juniper DA CA SNFCCASY5MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 722   2007-12-04   
650-731 1 San Francisco: Juniper DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2008-12-14   
650-731 2 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-02-22   
650-731 3 San Francisco: Juniper DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722   2008-07-12   
650-731 4 San Francisco: Juniper DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722   2007-11-23   
650-731 5 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2013-02-22   
650-731 6 San Francisco: Juniper DA CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-731 7 San Francisco: Juniper DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-10-27   
650-731 8 San Francisco: Juniper DA CA SNFCCAMMDS0  485E ASTOUND BROADBAND, LLC - CA 722      
650-731 9 San Francisco: Juniper DA CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2012-10-27   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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