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: 542

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-542 A Greenwich RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-542 0 Greenwich RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-542 1 Greenwich RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130   2017-03-24   
401-542 2 Greenwich RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-542 3 Greenwich RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-542 4 Greenwich RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-542 5 Greenwich RI   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 130   2021-05-21   
401-542 6 Greenwich RI EPRVRINBBMD  516J TON80 COMMUNICATIONS, LLC 130   2021-09-05   
401-542 7 Greenwich RI PRVDRIWA0MD  508J CENTURYLINK COMMUNICATIONS, LLC 130   2015-12-12   
401-542 8 Greenwich RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-542 9 Greenwich RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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