Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 401 [Rate centres in NPA 401] [Dial plan for NPA 401]

NXX: 343

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-343 A Hope Valley RI PRVDRIGRXIX  7421 AT&T - LOCAL 130      
401-343 0 Hope Valley RI   003F BANDWIDTH.COM CLEC, LLC - RI 130   2008-11-27   
401-343 1 Hope Valley RI   073H TELNYX LLC 130   2017-04-26   
401-343 2 Hope Valley RI   977E ONVOY, LLC - RI 130   2022-09-29   
401-343 4 Hope Valley RI   624H ONVOY SPECTRUM, LLC 130   2021-12-09   
401-343 5 Hope Valley RI   624H ONVOY SPECTRUM, LLC 130   2021-12-09   
401-343 6 Hope Valley RI   977E ONVOY, LLC - RI 130   2016-03-21   
401-343 7 Hope Valley RI   977E ONVOY, LLC - RI 130   2016-03-21   
401-343 8 Hope Valley RI   624H ONVOY SPECTRUM, LLC 130   2021-04-15   
401-343 9 Hope Valley RI   7421 AT&T - LOCAL 130   2004-05-01   

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

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