Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 401 [Rate centres in NPA 401] [Dial plan for NPA 401]

NXX: 264

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-264 A Portsmouth RI PRVDRIUFDS1  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      
401-264 0 Portsmouth RI   003F BANDWIDTH.COM CLEC, LLC - RI 130   2008-11-27   
401-264 1 Portsmouth RI   829J PAETEC ITEL, LLC 130   2002-09-29   
401-264 2 Portsmouth RI   145J TERRA NOVA TELECOM INC. 130   2021-09-24   
401-264 4 Portsmouth RI   145J TERRA NOVA TELECOM INC. 130   2026-01-11   
401-264 6 Portsmouth RI   4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2008-07-29   
401-264 8 Portsmouth RI   631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2015-10-22   
401-264 9 Portsmouth RI   7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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