Local Calling Guide

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

NXX: 746

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-746 A Brookline MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
857-746 0 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-06-13   
857-746 1 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-06-13   
857-746 2 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-09-04   
857-746 3 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-09-04   
857-746 4 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-09-29   
857-746 5 Brookline MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-09-29   
857-746 6 Brookline MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-10-05   
857-746 7 Brookline MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-04-15   
857-746 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-08-25   
857-746 9 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-08-25   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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