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: 656

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
401-656 A Westerly RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-656 1 Westerly RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130   2022-01-11   
401-656 4 Westerly RI PRVDRIWAVMD  7351 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 130   2022-01-11   
401-656 6 Westerly RI PRVDRIWAX1Y  4054 CONVERSENT COMMUNICATIONS OF RHODE ISLAND, LLC 130      
401-656 9 Westerly RI   631G PEERLESS NETWORK OF RHODE ISLAND, LLC - RI 130   2021-07-26   

Last updated: Wed, 12 Jan 2022 16:20:07 UTC

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