Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 351 [Rate centres in NPA 351] [Dial plan for NPA 351]

NXX: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
351-550 A Clinton MA SOVLMAAB6MD  939H COMMIO, LLC 128      
351-550 0 Clinton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
351-550 1 Clinton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
351-550 2 Clinton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
351-550 3 Clinton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
351-550 4 Clinton MA SOVLMAAB6MD  939H COMMIO, LLC 128   2023-11-26   
351-550 8 Clinton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-03-07   

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

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