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: 683

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-683 A Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 0 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      
401-683 1 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      
401-683 2 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      
401-683 3 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      
401-683 4 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      
401-683 5 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      
401-683 6 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      
401-683 7 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      
401-683 8 Portsmouth RI   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-683 9 Portsmouth RI   9102 VERIZON NEW ENGLAND INC. 130      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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