Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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NPA: 616 [Rate centres in NPA 616] [Dial plan for NPA 616]

NXX: 445

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
616-445 A Drenthe MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2025-10-25   
616-445 0 Drenthe MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2025-10-25   
616-445 9 Drenthe MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 348   2025-10-25   

Last updated: Mon, 15 Sep 2025 02:24:40 UTC

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