![]() Photo from Digital-Topo-Maps.com | Saint John, IN 46373 Post Office Location: 9200 Thiel Street; Saint John, IN Year Post Office built: Town(s) Served: Dyer, Saint John Acceptable City Names: Dyer, Saint John Not Acceptable City Names: St John Sectional Service Facility: Gary County(ies): Lake Info on Saint John: The Village of Saint John is located in St. John Township in Lake County. It sits on U.S. 41, in west central Lake County. This was founded in 1837. |
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