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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-643 A Portsmouth RI   829J PAETEC ITEL, LLC 130      
401-643 0 Portsmouth RI   829J PAETEC ITEL, LLC 130      
401-643 1 Portsmouth RI   829J PAETEC ITEL, LLC 130      
401-643 2 Portsmouth RI   829J PAETEC ITEL, LLC 130      
401-643 3 Portsmouth RI   829J PAETEC ITEL, LLC 130      
401-643 4 Portsmouth RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-06-26   
401-643 5 Portsmouth RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-06-26   
401-643 6 Portsmouth RI   829J PAETEC ITEL, LLC 130      
401-643 8 Portsmouth RI   829J PAETEC ITEL, LLC 130      
401-643 9 Portsmouth RI   829J PAETEC ITEL, LLC 130      

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

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