Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 517 [Rate centres in NPA 517] [Dial plan for NPA 517]

NXX: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
517-587 A Lansing MI LNNGMIDCRMD  883K AHOI LLC 346   2026-07-24   
517-587 1 Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2026-07-27   
517-587 2 Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2026-07-27   
517-587 3 Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2026-07-27   
517-587 4 Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2026-07-27   
517-587 5 Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2026-07-27   
517-587 6 Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2026-07-27   
517-587 7 Lansing MI LNNGMIMNX8Z  770E TELEPORT COMMUNICATIONS AMERICA, LLC - MI 346   2026-07-27   
517-587 8 Lansing MI LNNGMIDCRMD  883K AHOI LLC 346   2026-07-24   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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