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: 500

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-500 A Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130      
401-500 0 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2011-05-12   
401-500 1 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2011-06-20   
401-500 2 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2011-06-20   
401-500 3 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2011-06-26   
401-500 4 Providence RI EPRVRIELCM2  6664 SPRINT SPECTRUM, L.P. 130   2011-07-24   
401-500 5 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2011-06-12   
401-500 6 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2011-08-01   
401-500 7 Providence RI EPRVRIELCM2  6664 SPRINT SPECTRUM, L.P. 130   2011-08-11   
401-500 8 Providence RI EPRVRIELCM2  6664 SPRINT SPECTRUM, L.P. 130   2011-08-11   
401-500 9 Providence RI EPRVRIELCM2  6664 SPRINT SPECTRUM, L.P. 130   2011-08-11   

Last updated: Fri, 13 May 2022 22:16:13 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.