Chesterfield, MO ZIP Codes
Chesterfield, Missouri has 3 ZIP codes: 2 for street addresses ( and ) and 1 for PO boxes ().
Your street decides which one you use.
Which Chesterfield 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?
Chesterfield ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
63006 has no area on the map: it is a PO box or single-organization ZIP code. Dashed line: Chesterfield city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Chesterfield ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 63005 | street delivery Chesterfield |
| 63006 | PO boxes at the Chesterfield post office Chesterfield |
| 63017 | street delivery Town and Country |
ZIP codes from nearby towns that reach into Chesterfield
- 63141, mailing town Saint Louis, covers 2 percent of Chesterfield
Why your mail may say Chesterfield when you live outside it
Chesterfield ZIP codes also cover Wildwood and Clarkson Valley, so a letter addressed to Chesterfield can go to a home outside the city limits.
The reverse happens too: parts of Chesterfield use 63141, which mails under a neighboring town's name.
A ZIP code does not set your city, school district or tax. St. Louis County property records show which city you are in.
Chesterfield ZIP code questions
What is the main ZIP code for Chesterfield?
63005, the ZIP code of the main Chesterfield post office at 16105 Swingley Ridge Rd.
Which Chesterfield ZIP codes are for PO boxes only?
63006. Mail to it goes to boxes at the post office, not to street addresses.
What county is Chesterfield in?
St. Louis County.
ZIP codes for towns near Chesterfield
More towns near Chesterfield: Florissant, St. Louis, Wentzville, Oakville, Belleville, O'Fallon, Jefferson City, Springfield, Columbia.
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