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: 321

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-321 A Hope Valley RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-321 2 Hope Valley RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2011-09-16   
401-321 3 Hope Valley RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-321 4 Hope Valley RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2015-05-28   
401-321 5 Hope Valley RI PRVDRIGRXMD  4029 PAETEC COMMUNICATIONS, INC. - RI 130   2014-02-04   
401-321 8 Hope Valley RI EPRVRINBDS2  631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2015-10-22   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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