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: 417

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-417 A Newport RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-417 1 Newport RI   4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-417 2 Newport RI   977E ONVOY, LLC - RI 130   2021-11-20   
401-417 3 Newport RI   977E ONVOY, LLC - RI 130   2021-11-20   
401-417 4 Newport RI   977E ONVOY, LLC - RI 130   2021-11-20   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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