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: 448

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-448 A Pawtucket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2024-02-17   
401-448 0 Pawtucket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2024-02-17   
401-448 1 Pawtucket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2024-02-17   
401-448 2 Pawtucket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2024-02-17   
401-448 3 Pawtucket RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2024-02-17   
401-448 4 Pawtucket RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130   2024-03-29   
401-448 5 Pawtucket RI EPRVRINB1MD  939H COMMIO, LLC 130   2024-03-08   
401-448 6 Pawtucket RI EPRVRINB1MD  939H COMMIO, LLC 130   2024-03-08   
401-448 7 Pawtucket RI EPRVRINB1MD  939H COMMIO, LLC 130   2024-03-08   
401-448 8 Pawtucket RI EPRVRINB6MD  145J TERRA NOVA TELECOM INC. 130   2024-02-18   
401-448 9 Pawtucket RI EPRVRINB1MD  939H COMMIO, LLC 130   2024-03-08   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.