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: 472

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-472 A Portsmouth RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      
401-472 2 Portsmouth RI PRVDRIWABMD  321J HD CARRIER LLC 130   2020-05-28   
401-472 3 Portsmouth RI PRVDRIWABMD  321J HD CARRIER LLC 130   2020-05-28   
401-472 4 Portsmouth RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2002-06-16   
401-472 6 Portsmouth RI EPRVRINBBMD  516J TON80 COMMUNICATIONS, LLC 130   2021-10-01   
401-472 8 Portsmouth RI PRVDRIWAX1Y  3460 CTC COMMUNICATIONS CORP. - RI 130   2004-04-19   
401-472 9 Portsmouth RI PRVDRICEDS0  7231 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - RI 130      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.