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: 856

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-856 A Newport RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-856 4 Newport RI   7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130   2013-04-10   
401-856 5 Newport RI   7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130   2022-06-30   
401-856 6 Newport RI   7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130   2022-06-30   
401-856 9 Newport RI   7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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