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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-500 A San Rafael CA SNFCCAMKDS3  649C ONVOY, LLC - CA 722      
628-500 0 San Rafael CA   649C ONVOY, LLC - CA 722   2015-05-25   
628-500 1 San Rafael CA   649C ONVOY, LLC - CA 722   2015-08-03   
628-500 2 San Rafael CA   649C ONVOY, LLC - CA 722   2015-08-03   
628-500 3 San Rafael CA   649C ONVOY, LLC - CA 722   2015-08-03   
628-500 4 San Rafael CA   649C ONVOY, LLC - CA 722   2015-08-03   
628-500 5 San Rafael CA   649C ONVOY, LLC - CA 722   2015-05-25   
628-500 6 San Rafael CA   649C ONVOY, LLC - CA 722   2015-08-03   
628-500 7 San Rafael CA   649C ONVOY, LLC - CA 722   2015-08-03   
628-500 8 San Rafael CA   649C ONVOY, LLC - CA 722   2015-08-03   
628-500 9 San Rafael CA   649C ONVOY, LLC - CA 722   2015-05-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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