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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-990 A West Warwick RI PRVDRIUF7MD  939H COMMIO, LLC 130      
401-990 0 West Warwick RI   939H COMMIO, LLC 130   2023-06-03   
401-990 1 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   
401-990 2 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   
401-990 3 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   
401-990 4 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   
401-990 5 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   
401-990 6 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   
401-990 7 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   
401-990 8 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   
401-990 9 West Warwick RI   977E ONVOY, LLC - RI 130   2023-08-09   

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

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