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: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-600 A Providence RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130      
401-600 0 Providence RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130   2019-01-07   
401-600 1 Providence RI PRVDRICEAMD  6389 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - RI 130   2018-12-03   
401-600 2 Providence RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2021-05-14   
401-600 3 Providence RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2021-07-02   
401-600 4 Providence RI PRVDRINW4MD  4016 LEVEL 3 COMMUNICATIONS, LLC - RI 130   2021-08-20   
401-600 5 Providence RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130   2020-06-05   
401-600 6 Providence RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130   2018-07-13   
401-600 7 Providence RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130   2020-06-05   
401-600 8 Providence RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130   2019-02-03   
401-600 9 Providence RI PRVDRIWAAMD  624H ONVOY SPECTRUM, LLC 130   2020-06-05   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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