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: 372

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-372 A North Kingstown RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      
401-372 0 North Kingstown RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130      
401-372 1 North Kingstown RI PRVDRIWAX1Y  3460 CTC COMMUNICATIONS CORP. - RI 130      
401-372 2 North Kingstown RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-372 3 North Kingstown RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130      
401-372 4 North Kingstown RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-372 5 North Kingstown RI PRVDRIWAHAA  9248 BROADVIEW NETWORKS, INC. - RI 130      
401-372 6 North Kingstown RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130      
401-372 7 North Kingstown RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-372 8 North Kingstown RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130      
401-372 9 North Kingstown RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.