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]


NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-733 A Woonsocket RI PRVDRIGRXBX  7421 AT&T LOCAL 130      
401-733 0 Woonsocket RI   7421 AT&T LOCAL 130      
401-733 2 Woonsocket RI   7421 AT&T LOCAL 130   2012-07-09   
401-733 3 Woonsocket RI   977E ONVOY, LLC - RI 130   2018-04-06   

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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