Photo from Digital-Topo-Maps.com | Modesto, IL 62667 Post Office Location: 108 South Main Street; Modesto, IL Year Post Office built: Town(s) Served: Modesto Acceptable City Names: Modesto Not Acceptable City Names: Sectional Service Facility: Springfield (West) County(ies): Macoupin, Morgan Info on Modesto: The Village of Modesto is locates in North-Central Macoupin County. It is home to aporx. 252 residents (2000 census). |