Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Warwick, RI

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
401-921 3 PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2004-07-23   
401-921 4 PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2005-05-11   
401-921 5 PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2005-11-11   
401-921 6 PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2006-09-06   
401-921 7 PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2011-02-25   
401-921 8 PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2012-03-28   
401-921 9 PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2016-11-21   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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