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: 842

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-842 A Corte Madera CA SNJUCACL7MD  965H FRACTEL, LLC 722      
628-842 0 Corte Madera CA   649C ONVOY, LLC - CA 722   2021-08-09   
628-842 1 Corte Madera CA   649C ONVOY, LLC - CA 722   2021-08-09   
628-842 2 Corte Madera CA   553J WHITESKY COMMUNICATIONS, LLC 722   2021-09-16   
628-842 3 Corte Madera CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2023-09-01   
628-842 4 Corte Madera CA   624H ONVOY SPECTRUM, LLC 722   2021-07-23   
628-842 5 Corte Madera CA   965H FRACTEL, LLC 722   2020-10-25   
628-842 6 Corte Madera CA   6529 T-MOBILE USA, INC. 722   2021-03-09   
628-842 7 Corte Madera CA   6529 T-MOBILE USA, INC. 722   2021-03-09   
628-842 8 Corte Madera CA   624H ONVOY SPECTRUM, LLC 722   2021-12-10   
628-842 9 Corte Madera CA   624H ONVOY SPECTRUM, LLC 722   2021-12-10   

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

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