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: 532

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-532 A Woonsocket RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      
401-532 0 Woonsocket RI   977E ONVOY, LLC - RI 130   2025-05-10   
401-532 1 Woonsocket RI   977E ONVOY, LLC - RI 130   2025-05-10   
401-532 2 Woonsocket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-01-16   
401-532 3 Woonsocket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-01-16   
401-532 4 Woonsocket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-01-16   
401-532 5 Woonsocket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-01-16   
401-532 6 Woonsocket RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130   2014-01-27   
401-532 7 Woonsocket RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130   2021-03-01   
401-532 8 Woonsocket RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130   2022-09-02   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.