|  Photo from Digital-Topo-Maps.com | Harbert, MI 49115 Post Office Location: 13785 Red Arrow Highway; Harbert, MI Year Post Office built: Town(s) Served: Harbet Acceptable City Names: Harbert Not Acceptable City Names: Sectional Service Facility:Kalamazoo (Southwest) County(ies): Berrien Info on Harbert: The Village of Harbert is a unicorporated part of Berrin County. This was home to the poet Carl Sandburg at one time. | 
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