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: 615

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-615 A West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-615 0 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-615 1 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-615 2 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2003-05-22   
401-615 3 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2003-11-18   
401-615 4 West Warwick RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130   2002-06-16   
401-615 5 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2005-03-03   
401-615 7 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2005-08-22   
401-615 8 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2006-10-06   
401-615 9 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.