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: 628

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-628 A Warren RI PRVDRIWAXZY  4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-628 0 Warren RI   4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-628 1 Warren RI   4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-628 2 Warren RI   4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-628 3 Warren RI   4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      
401-628 4 Warren RI   516J TON80 COMMUNICATIONS LLC 130   2022-03-09   
401-628 9 Warren RI   4957 CHOICE ONE COMMUNICATIONS OF RHODE ISLAND, INC. 130      

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

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