Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 1 Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 2 Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 3 Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 4 Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 5 Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 6 Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 7 Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      
401-683 8 Portsmouth RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130      
401-683 9 Portsmouth RI PTMORIEMDS0  9102 VERIZON NEW ENGLAND INC. 130      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.