St. Charles, IL ZIP Codes
St. Charles, Illinois has 2 ZIP codes: 2 for street addresses ( and ).
Your street decides which one you use.
Which St. Charles ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
St. Charles ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: St. Charles city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All St. Charles ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 60174 | street delivery; mail may be addressed to Saint Charles St Charles East Side Station |
| 60175 | street delivery; mail may be addressed to Saint Charles Saint Charles |
Why your mail may say St. Charles when you live outside it
St. Charles ZIP codes also cover St. Charles Township, Campton Township and Campton Hills, so a letter addressed to St. Charles can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Kane County property records show which city you are in.
St. Charles ZIP code questions
What is the main ZIP code for St. Charles?
60174, the ZIP code of the main St Charles East Side Station post office at 616 E Main St.
What county is St. Charles in?
Kane County, with parts in DuPage County.
ZIP codes for towns near St. Charles
More towns near St. Charles: Wheaton, Glendale Heights, Hoffman Estates, Schaumburg, Naperville, Carpentersville, Lombard, Addison, Oswego.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections