Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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      
650-731 1 San Francisco: Juniper DA CA   649C ONVOY, LLC - CA 722      
650-731 2 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
650-731 3 San Francisco: Juniper DA CA HYWRCAMCDS0  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 722      
650-731 4 San Francisco: Juniper DA CA OKLDCA03XOY  318J COMCAST IP PHONE, LLC 722      
650-731 5 San Francisco: Juniper DA CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
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      
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      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.