Calumet, MI Post Offices
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49913
Post Office Address Phone Hours CALUMET 201 6TH ST CALUMET, MI 49913 - 9998 906-337-3210 Mon-Fri 09:00 AM - 05:00 PM Sat 10:00 AM - 12:30 PM Sun Closed LAURIUM 75 3RD ST LAURIUM, MI 49913 - 2120 906-337-3210 Mon-Tue, Thu-Fri 09:00 AM - 10:00 AM Wed, Sat-Sun Closed