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Sidnaw Post Office in Sidnaw, MI

Find Sidnaw Post Office in Sidnaw, Houghton County, mi to get information on post-office code, post-office runway length, aviation weather and post-office diagrams.

  • Sidnaw Post Office
  • 13640 E State Hwy M28, Sidnaw, MI 49961
  • 906-355-2527

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