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: 279

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-279 A Coventry RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      
401-279 0 Coventry RI EPRVRINBDS2  631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2015-04-27   
401-279 1 Coventry RI PRVDRIWAX1Y  3460 CTC COMMUNICATIONS CORP. - RI 130   2004-04-16   
401-279 2 Coventry RI EPRVRINB6MD  145J TERRA NOVA TELECOM INC. 130   2023-01-12   
401-279 5 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2020-05-23   
401-279 6 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2020-05-23   
401-279 7 Coventry RI   977E ONVOY, LLC - RI 130   2024-05-03   
401-279 8 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2019-04-29   
401-279 9 Coventry RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 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.