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: 610

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-610 A Coventry RI   977E ONVOY, LLC - RI 130      
401-610 0 Coventry RI EPRVRIELCM2  5562 METROPCS, INC. 130   2011-08-11   
401-610 1 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2023-10-27   
401-610 3 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2023-10-27   
401-610 4 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-03-02   
401-610 5 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2021-03-02   
401-610 6 Coventry RI PRVDRIWABMD  321J HD CARRIER LLC 130   2020-05-30   
401-610 7 Coventry RI PRVDRIWABMD  321J HD CARRIER LLC 130   2020-05-30   
401-610 8 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2023-10-27   
401-610 9 Coventry RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2023-10-27   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.