Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Brookline, MA

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
857-867 5 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-12-08   
857-867 6 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-12-08   
857-867 7 SOVLMAAB3MD  197D VONAGE AMERICA LLC 128   2021-10-22   
857-867 8 CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-05-17   
857-867 9 NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-07-23   

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Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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