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: 414

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-414 A Providence RI PRVDRIGR2MD  507H AIRUS, INC. - RI 130      
401-414 0 Providence RI   977E ONVOY, LLC - RI 130   2019-01-07   
401-414 1 Providence RI   507H AIRUS, INC. - RI 130   2015-01-11   
401-414 2 Providence RI   977E ONVOY, LLC - RI 130   2017-09-18   
401-414 3 Providence RI   977E ONVOY, LLC - RI 130   2017-09-18   
401-414 4 Providence RI   977E ONVOY, LLC - RI 130   2017-09-18   
401-414 5 Providence RI   977E ONVOY, LLC - RI 130   2017-09-18   
401-414 6 Providence RI   5562 METROPCS, INC. 130   2018-10-13   
401-414 7 Providence RI   318J COMCAST IP PHONE, LLC 130   2018-03-10   
401-414 8 Providence RI   5562 METROPCS, INC. 130   2018-10-13   
401-414 9 Providence RI   5562 METROPCS, INC. 130   2018-10-13   

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.