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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-800 A Block Island RI PRVDRIWAXJY  977E ONVOY, LLC - RI 130      
401-800 0 Block Island RI   977E ONVOY, LLC - RI 130   2017-11-26   
401-800 1 Block Island RI   631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2020-10-30   
401-800 3 Block Island RI   977E ONVOY, LLC - RI 130   2021-03-26   
401-800 4 Block Island RI   977E ONVOY, LLC - RI 130   2019-05-27   
401-800 6 Block Island RI   516J TON80 COMMUNICATIONS, LLC 130   2021-10-23   
401-800 8 Block Island RI   977E ONVOY, LLC - RI 130   2017-11-26   
401-800 9 Block Island RI   624H ONVOY SPECTRUM, LLC 130   2021-03-14   

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

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