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: 417

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-417 A Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130      
401-417 0 Newport RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2023-08-03   
401-417 1 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2025-01-05   
401-417 2 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-11-20   
401-417 3 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-11-20   
401-417 4 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-11-20   
401-417 5 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2024-01-13   
401-417 8 Newport RI PRVDRIWAZMD  197D VONAGE AMERICA LLC 130   2022-08-19   
401-417 9 Newport RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-06-07   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.