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: 375

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-375 A Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-375 0 Dorchester MA SOVLMAAB6MD  939H COMMIO, LLC 128   2021-10-11   
857-375 1 Dorchester MA SOVLMAAB6MD  939H COMMIO, LLC 128   2021-10-11   
857-375 2 Dorchester MA SOVLMAAB6MD  939H COMMIO, LLC 128   2021-10-11   
857-375 3 Dorchester MA SOVLMAAB6MD  939H COMMIO, LLC 128   2021-10-11   
857-375 4 Dorchester MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-18   
857-375 5 Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-375 6 Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-375 7 Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-375 8 Dorchester MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
857-375 9 Dorchester MA SOVLMAAB6MD  939H COMMIO, LLC 128   2021-10-11   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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