Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 467

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-467 A Somerville MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
857-467 0 Somerville MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-05-22   
857-467 2 Somerville MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-04   
857-467 3 Somerville MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-04   
857-467 4 Somerville MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2024-05-22   
857-467 6 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-26   
857-467 7 Somerville MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-04-30   
857-467 8 Somerville MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-26   
857-467 9 Somerville MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2023-12-23   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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