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: 370

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-370 A Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2024-12-06   
650-370 0 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2024-12-06   
650-370 1 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2024-12-06   
650-370 2 Palo Alto CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722   2024-12-06   
650-370 3 Palo Alto CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2025-11-09   
650-370 4 Palo Alto CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2026-06-14   
650-370 5 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-06-17   
650-370 6 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-06-17   
650-370 7 Palo Alto CA HYWRCAMCDMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2026-06-17   
650-370 8 Palo Alto CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2025-11-09   
650-370 9 Palo Alto CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2025-11-09   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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