Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 628 [Rate centres in NPA 628] [Dial plan for NPA 628]

NXX: 330

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-330 A San Rafael CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2026-08-17   
628-330 0 San Rafael CA   649C ONVOY, LLC - CA 722   2026-08-17   
628-330 1 San Rafael CA   649C ONVOY, LLC - CA 722   2026-08-17   
628-330 2 San Rafael CA   649C ONVOY, LLC - CA 722   2026-08-17   
628-330 3 San Rafael CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2026-08-28   
628-330 8 San Rafael CA   649C ONVOY, LLC - CA 722   2026-08-31   
628-330 9 San Rafael CA   649C ONVOY, LLC - CA 722   2026-08-31   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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