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: 471

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-471 A Greenwich RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-471 2 Greenwich RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130   2009-04-29   
401-471 4 Greenwich RI PRVDRIGRXBX  7421 AT&T LOCAL 130   2002-10-21   
401-471 6 Greenwich RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-471 7 Greenwich RI PRVDRIWAHMD  318J COMCAST IP PHONE LLC 130   2018-03-10   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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