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: 351

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-351 A Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-07-01   
857-351 0 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-351 1 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-351 2 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-351 3 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-351 4 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-351 5 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-351 6 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-351 7 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-09-22   
857-351 8 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-07-01   
857-351 9 Roxbury MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2024-07-01   

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

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