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: 992

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-992 A West Glocester RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-992 2 West Glocester RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130   2021-04-16   
401-992 4 West Glocester RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2002-06-16   
401-992 5 West Glocester RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130   2021-11-14   
401-992 6 West Glocester RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130   2021-11-14   
401-992 7 West Glocester RI   631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2024-04-19   
401-992 8 West Glocester RI EPRVRINBDS2  631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2018-11-23   
401-992 9 West Glocester RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.