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   829J PAETEC ITEL, LLC 130      
401-366 1 Portsmouth RI EPRVRINB6MD  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   829J PAETEC ITEL, LLC 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   829J PAETEC ITEL, LLC 130      
401-366 7 Portsmouth RI EPRVRINB7MD  490J DISH WIRELESS, LLC 130   2024-07-20   
401-366 8 Portsmouth RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2024-04-18   
401-366 9 Portsmouth RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2024-07-08   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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