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: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-380 A Newport RI   829J PAETEC ITEL, LLC 130      
401-380 0 Newport RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2022-10-22   
401-380 1 Newport RI   829J PAETEC ITEL, LLC 130      
401-380 2 Newport RI   829J PAETEC ITEL, LLC 130   2004-10-22   
401-380 3 Newport RI   977E ONVOY, LLC - RI 130   2025-04-11   
401-380 4 Newport RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130   2023-08-24   
401-380 5 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2020-12-17   
401-380 6 Newport RI PRVDRIGRX7X  363E YMAX COMMUNICATIONS CORP. - RI 130   2008-09-08   
401-380 7 Newport RI PRVDRIGRX7X  363E YMAX COMMUNICATIONS CORP. - RI 130   2008-09-08   
401-380 8 Newport RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2020-12-17   
401-380 9 Newport RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2022-10-22   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.