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: 765

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
650-765 A San Carlos-Belmont CA   649C ONVOY, LLC - CA 722   2026-05-30   
650-765 0 San Carlos-Belmont CA   649C ONVOY, LLC - CA 722   2026-05-30   
650-765 1 San Carlos-Belmont CA   649C ONVOY, LLC - CA 722   2026-05-30   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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