Local Calling Guide

Area code/prefix search

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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 877

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-877 A Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-877 0 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-02   
857-877 1 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-12   
857-877 2 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-12   
857-877 3 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-07-12   
857-877 4 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-02   
857-877 5 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-02   
857-877 6 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-01-02   
857-877 7 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-08   
857-877 8 Brighton MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-12-06   
857-877 9 Brighton MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-10-26   

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

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