Wentzville, MO ZIP Code
Wentzville, Missouri has one ZIP code: .
Mail addressed to Wentzville covers nearby places too.
Where the 63385 ZIP code reaches
Tap or point to an area to see its ZIP code.Full-size map
Dashed line: Wentzville city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
Check an address in Wentzville
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?
ZIP codes from nearby towns that reach into Wentzville
- 63348, mailing town Foristell, covers 10 percent of Wentzville
- 63366, mailing town O Fallon, covers 2 percent of Wentzville
Why your mail may say Wentzville when you live outside it
Wentzville ZIP codes also cover Flint Hill, Josephville and New Melle, so a letter addressed to Wentzville can go to a home outside the city limits.
The reverse happens too: parts of Wentzville use 63348 and 63366, which mail under a neighboring town's name.
A ZIP code does not set your city, school district or tax. St. Charles County property records show which city you are in.
Wentzville ZIP code questions
What is the main ZIP code for Wentzville?
63385, the ZIP code of the main Wentzville post office at 762 Luetkenhaus Blvd.
What county is Wentzville in?
St. Charles County.
ZIP codes for towns near Wentzville
More towns near Wentzville: Florissant, University City, St. Louis, Oakville, Belleville, O'Fallon, Jefferson City, Columbia, Quincy.
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