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: 565

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-565 A Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-01-12   
857-565 0 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-02-25   
857-565 1 Brookline MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-04   
857-565 2 Brookline MA SOVLMAAB6MD  939H COMMIO, LLC 128   2024-03-04   
857-565 3 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2024-03-09   
857-565 4 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-06-07   
857-565 5 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-06-07   
857-565 6 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-06-07   
857-565 7 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-07-28   
857-565 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-01-12   
857-565 9 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-01-12   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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