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: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 362

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-362 A Mason MI LNNGMIMNXSZ  2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2024-04-06   
517-362 0 Mason MI   991E BANDWIDTH.COM CLEC, LLC - MI 346   2024-10-31   
517-362 1 Mason MI   6003 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MI 346   2025-01-15   
517-362 7 Mason MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2024-04-06   
517-362 8 Mason MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2024-04-06   
517-362 9 Mason MI   2964 OMNIPOINT COMMUNICATIONS MIDWEST OPERATIONS, LLC 346   2024-04-06   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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