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: 383

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-383 A Providence RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-383 0 Providence RI   318J COMCAST IP PHONE, LLC 130      
401-383 1 Providence RI   318J COMCAST IP PHONE, LLC 130      
401-383 2 Providence RI   318J COMCAST IP PHONE, LLC 130      
401-383 3 Providence RI   318J COMCAST IP PHONE, LLC 130      
401-383 4 Providence RI   318J COMCAST IP PHONE, LLC 130      
401-383 5 Providence RI   318J COMCAST IP PHONE, LLC 130      
401-383 6 Providence RI   318J COMCAST IP PHONE, LLC 130      
401-383 7 Providence RI   318J COMCAST IP PHONE, LLC 130      
401-383 8 Providence RI   318J COMCAST IP PHONE, LLC 130   2003-09-25   
401-383 9 Providence RI   318J COMCAST IP PHONE, LLC 130      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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