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: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-552 A Carolina RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-552 1 Carolina RI   829J PAETEC ITEL, LLC 130   2004-04-16   
401-552 2 Carolina RI   977E ONVOY, LLC - RI 130   2021-03-26   
401-552 3 Carolina RI   003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-552 4 Carolina RI   003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-552 5 Carolina RI   003F BANDWIDTH.COM CLEC, LLC - RI 130   2019-08-25   
401-552 6 Carolina RI   631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2021-02-28   
401-552 7 Carolina RI   318J COMCAST IP PHONE, LLC 130   2007-09-14   
401-552 8 Carolina RI   624H ONVOY SPECTRUM, LLC 130   2021-03-14   
401-552 9 Carolina RI   003F BANDWIDTH.COM CLEC, LLC - RI 130      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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