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: 308

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-308 A Narragansett RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      
401-308 1 Narragansett RI PRVDRIWAX1Y  3460 CTC COMMUNICATIONS CORP. - RI 130   2004-04-16   
401-308 2 Narragansett RI EPRVRIELCM2  6664 SPRINT SPECTRUM, L.P. 130   2011-09-26   
401-308 3 Narragansett RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2010-02-28   
401-308 4 Narragansett RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2008-04-29   
401-308 5 Narragansett RI EPRVRIELCM2  6664 SPRINT SPECTRUM, L.P. 130   2011-09-26   
401-308 6 Narragansett RI PRVDRIWAHMD  318J COMCAST IP PHONE LLC 130   2017-07-01   
401-308 7 Narragansett RI PRVDRIGRX7X  363E YMAX COMMUNICATIONS CORP. - RI 130   2008-09-08   
401-308 8 Narragansett RI PRVDRIGRX7X  363E YMAX COMMUNICATIONS CORP. - RI 130   2008-09-08   
401-308 9 Narragansett RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      

Last updated: Fri, 13 May 2022 22:16:13 UTC

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