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: 404

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-404 A Centredale RI PRVDRIWAXZY  4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-404 0 Centredale RI PRVDRIWAXZY  4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-404 1 Centredale RI PRVDRIWAXZY  4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-404 2 Centredale RI PRVDRIWAXZY  4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-404 3 Centredale RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130   2003-07-15   
401-404 4 Centredale RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2003-08-20   
401-404 5 Centredale RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2004-12-17   
401-404 6 Centredale RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2005-03-13   
401-404 7 Centredale RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2005-04-28   
401-404 8 Centredale RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2005-04-28   
401-404 9 Centredale RI PRVDRIWAXZY  4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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