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: 468

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-468 A Charlestown MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128      
857-468 0 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-03   
857-468 1 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-07-22   
857-468 2 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-09-15   
857-468 3 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-09-15   
857-468 4 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-09-15   
857-468 6 Charlestown MA   516J TON80 COMMUNICATIONS, LLC 128   2022-04-17   
857-468 8 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-07-22   
857-468 9 Charlestown MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-07-22   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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