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: 533

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-533 A Providence RI PRVDRIWAXCY  035D DSCI, LLC 130      
401-533 0 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2006-07-02   
401-533 1 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2006-07-02   
401-533 2 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2006-07-02   
401-533 3 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2006-07-02   
401-533 4 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2006-08-03   
401-533 5 Providence RI PRVDRIWAXCY  035D DSCI, LLC 130   2006-05-11   
401-533 6 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2006-08-03   
401-533 7 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130   2006-07-31   
401-533 8 Providence RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130   2006-07-31   
401-533 9 Providence RI PRVDRIWAHMD  318J COMCAST IP PHONE LLC 130   2006-08-24   

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.