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: 472

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-472 A Portsmouth RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-472 2 Portsmouth RI PRVDRIWABMD  321J HD CARRIER LLC 130   2020-05-28   
401-472 3 Portsmouth RI PRVDRIWABMD  321J HD CARRIER LLC 130   2020-05-28   
401-472 4 Portsmouth RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2002-06-16   
401-472 6 Portsmouth RI EPRVRINBBMD  516J TON80 COMMUNICATIONS, LLC 130   2021-10-01   
401-472 8 Portsmouth RI PRVDRIWAX1Y  3460 CTC COMMUNICATIONS CORP. - RI 130   2004-04-19   
401-472 9 Portsmouth RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      

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

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