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: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-251 A Portsmouth RI PRVDRIWA2MD  343H WIDE VOICE, LLC - RI 130      
401-251 0 Portsmouth RI EPRVRINBDS2  631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2020-03-23   
401-251 1 Portsmouth RI PRVDRIWA2MD  343H WIDE VOICE, LLC - RI 130   2016-11-26   
401-251 2 Portsmouth RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2020-06-12   
401-251 3 Portsmouth RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2020-06-12   
401-251 4 Portsmouth RI PRVDRIWAHMD  318J COMCAST IP PHONE LLC 130   2018-03-10   
401-251 5 Portsmouth RI PRVDRIWALMD  506J TWILIO INTERNATIONAL INC 130   2020-12-21   
401-251 6 Portsmouth RI   977E ONVOY, LLC - RI 130   2023-02-11   
401-251 7 Portsmouth RI   977E ONVOY, LLC - RI 130   2022-09-29   

Last updated: Tue, 24 Jan 2023 03:01:57 UTC

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