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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-388 A Westerly RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - RI 130      
401-388 0 Westerly RI   003F BANDWIDTH.COM CLEC, LLC - RI 130   2008-11-27   
401-388 1 Westerly RI   3460 CTC COMMUNICATIONS CORP. - RI 130   2004-04-19   
401-388 4 Westerly RI   977E ONVOY, LLC - RI 130   2016-03-21   
401-388 5 Westerly RI   977E ONVOY, LLC - RI 130   2016-03-21   
401-388 7 Westerly RI   7575 CENTURYLINK COMMUNICATIONS LLC 130   2015-12-12   
401-388 8 Westerly RI   318J COMCAST IP PHONE, LLC 130   2018-03-10   
401-388 9 Westerly RI   7351 TELEPORT COMMUNICATIONS AMERICA, LLC - RI 130      

Last updated: Thu, 10 Sep 2020 02:15:24 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.