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: 337

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-337 A Warren RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-337 2 Warren RI   9248 BROADVIEW NETWORKS, INC. - RI 130   2004-12-16   
401-337 3 Warren RI   624H ONVOY SPECTRUM, LLC 130   2021-04-16   
401-337 5 Warren RI   318J COMCAST IP PHONE LLC 130   2009-11-16   
401-337 7 Warren RI   977E ONVOY, LLC - RI 130   2016-03-18   
401-337 8 Warren RI   977E ONVOY, LLC - RI 130   2016-03-18   
401-337 9 Warren RI   7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      

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

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