Local Calling Guide

Area code/prefix search

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San Carlos-Belmont, CA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
650-832 9 SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2017-09-14   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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