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: 721

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-721 A Pawtucket RI PWTCRIHIDS1  9102 VERIZON NEW ENGLAND INC. 130      
401-721 0 Pawtucket RI   9102 VERIZON NEW ENGLAND INC. 130      
401-721 1 Pawtucket RI   9102 VERIZON NEW ENGLAND INC. 130      
401-721 2 Pawtucket RI   9102 VERIZON NEW ENGLAND INC. 130      
401-721 3 Pawtucket RI   9102 VERIZON NEW ENGLAND INC. 130      
401-721 4 Pawtucket RI   977E ONVOY, LLC - RI 130   2014-08-30   
401-721 5 Pawtucket RI   318J COMCAST IP PHONE, LLC 130   2008-05-09   
401-721 6 Pawtucket RI   9102 VERIZON NEW ENGLAND INC. 130      
401-721 7 Pawtucket RI   631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2020-05-31   
401-721 8 Pawtucket RI   318J COMCAST IP PHONE, LLC 130   2017-08-23   
401-721 9 Pawtucket RI   9102 VERIZON NEW ENGLAND INC. 130      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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