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: 399

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-399 A Newport RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      
401-399 0 Newport RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130   2014-01-02   
401-399 1 Newport RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2023-09-22   
401-399 3 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2020-05-24   
401-399 4 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2020-05-24   
401-399 5 Newport RI   145J TERRA NOVA TELECOM INC. 130   2023-08-06   
401-399 6 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-03-02   
401-399 7 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-03-02   
401-399 8 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-03-02   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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