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: 491

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-491 A Hope Valley RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-491 0 Hope Valley RI   977E ONVOY, LLC - RI 130      
401-491 1 Hope Valley RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-491 2 Hope Valley RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-491 3 Hope Valley RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-491 4 Hope Valley RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-491 5 Hope Valley RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-491 8 Hope Valley RI EPRVRINBDS2  631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130      
401-491 9 Hope Valley RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.