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: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-433 A Providence RI RVSDRISORP0  9102 VERIZON NEW ENGLAND INC. 130      
401-433 0 Providence RI RVSDRISORP0  9102 VERIZON NEW ENGLAND INC. 130      
401-433 1 Providence RI RVSDRISORP0  9102 VERIZON NEW ENGLAND INC. 130      
401-433 2 Providence RI RVSDRISORP0  9102 VERIZON NEW ENGLAND INC. 130      
401-433 3 Providence RI RVSDRISORP0  9102 VERIZON NEW ENGLAND INC. 130      
401-433 4 Providence RI RVSDRISORP0  9102 VERIZON NEW ENGLAND INC. 130      
401-433 5 Providence RI RVSDRISORP0  9102 VERIZON NEW ENGLAND INC. 130      
401-433 6 Providence RI RVSDRISORP0  9102 VERIZON NEW ENGLAND INC. 130      
401-433 7 Providence RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-433 8 Providence RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      
401-433 9 Providence RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.