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: 646

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-646 A Hope Valley RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-646 0 Hope Valley RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-646 2 Hope Valley RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-646 3 Hope Valley RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-646 4 Hope Valley RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-646 6 Hope Valley RI EPRVRINBBMD  516J TON80 COMMUNICATIONS, LLC 130      
401-646 7 Hope Valley RI PRVDRIWA0MD  508J CENTURYLINK COMMUNICATIONS, LLC 130      
401-646 9 Hope Valley RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.