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: 315

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-315 A Westerly RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-315 0 Westerly RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-315 1 Westerly RI PRVDRIWAX1Y  3460 CTC COMMUNICATIONS CORP. - RI 130      
401-315 2 Westerly RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-315 4 Westerly RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-315 5 Westerly RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-315 6 Westerly RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      
401-315 7 Westerly RI PRVDRIGRXAX  4029 PAETEC COMMUNICATIONS, INC. - RI 130      
401-315 8 Westerly RI EPRVRINB9MD  003F BANDWIDTH.COM CLEC, LLC - RI 130      
401-315 9 Westerly RI EPRVRINBDS2  631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.