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: 540

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-540 A South San Francisco CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-540 0 South San Francisco CA SNFCCA21XNZ  624H ONVOY SPECTRUM, LLC 722      
650-540 1 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-540 2 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-540 3 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-540 4 South San Francisco CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-540 5 South San Francisco CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-540 6 South San Francisco CA SNRSCA01KMD  7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722      
650-540 7 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-540 8 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
650-540 9 South San Francisco CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      

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

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