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: 471

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-471 A Greenwich RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-471 0 Greenwich RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      
401-471 1 Greenwich RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      
401-471 2 Greenwich RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-471 3 Greenwich RI   6889 OMNIPOINT MIAMI E LICENSE, LLC 130      
401-471 4 Greenwich RI   6889 OMNIPOINT MIAMI E LICENSE, LLC 130      
401-471 5 Greenwich RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130      
401-471 6 Greenwich RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-471 7 Greenwich RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130      
401-471 8 Greenwich RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      
401-471 9 Greenwich RI EPRVRIELCM2  6889 OMNIPOINT MIAMI E LICENSE, LLC 130      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.