It is located about 85 miles southeast of IL's capital city of Springfield. 62424 is a sparsely populated, suburban zip code in Dieterich, Illinois. Map of ZIP Codes in Dieterich, Illinois. The majority of household are owned or have a mortgage. Dieterich is part of the Central Standard Time. //-->. So you are less likely to find inexpensive homes in 62424. Find MoreCities in Illinois that start with D, Post Office Suburb:DIETERICH, IL, 62424-9998,