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: 266

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
628-266 A Corte Madera CA SNFCCA21XUY  981E BANDWIDTH.COM CLEC, LLC - CA 722      
628-266 0 Corte Madera CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-05-10   
628-266 1 Corte Madera CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-05-10   
628-266 2 Corte Madera CA   649C ONVOY, LLC - CA 722   2019-07-28   
628-266 3 Corte Madera CA   649C ONVOY, LLC - CA 722   2019-07-28   
628-266 4 Corte Madera CA   649C ONVOY, LLC - CA 722   2020-08-17   
628-266 5 Corte Madera CA   649C ONVOY, LLC - CA 722   2020-08-17   
628-266 6 Corte Madera CA   965H FRACTEL, LLC 722   2019-07-16   
628-266 8 Corte Madera CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2020-03-06   
628-266 9 Corte Madera CA   073H TELNYX LLC 722   2021-02-26   

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

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