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: 320

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-320 A West Warwick RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-320 0 West Warwick RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130   2020-02-10   
401-320 1 West Warwick RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-320 2 West Warwick RI EPRVRINBDS2  631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2020-06-30   
401-320 3 West Warwick RI EPRVRINBDS2  631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2020-05-31   
401-320 4 West Warwick RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2018-04-26   
401-320 5 West Warwick RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2022-12-23   
401-320 6 West Warwick RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2022-12-23   
401-320 7 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2019-10-31   
401-320 8 West Warwick RI PRVDRIWAHMD  318J COMCAST IP PHONE, LLC 130   2018-03-10   
401-320 9 West Warwick RI PRVDRIWAWMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 130   2020-09-21   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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