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.

Switch: EPRVRINB9MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
401-310 A Warren RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-325 A Woonsocket RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-358 A Pascoag RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-400 A Providence RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-452 A Providence RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-460 A Providence RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-478 A Providence RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-482 A Providence RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-544 A Providence RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-582 A Woonsocket RI 9748 AMERICAN MESSAGING SERVICES, LLC 130      
401-680 A Providence RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-872 A Woonsocket RI 003F BANDWIDTH.COM CLEC, LLC - RI 130      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.