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: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-366 A Portsmouth RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-366 1 Portsmouth RI   145J TERRA NOVA TELECOM INC. 130   2024-02-12   
401-366 2 Portsmouth RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2010-08-28   
401-366 3 Portsmouth RI PRVDRIWAHAA  9248 BROADVIEW NETWORKS, INC. - RI 130   2004-11-18   
401-366 4 Portsmouth RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2010-08-28   
401-366 6 Portsmouth RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-366 8 Portsmouth RI   977E ONVOY, LLC - RI 130   2024-04-18   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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