ZIP code 63366
Where is ZIP code 63366?
O Fallon, Missouri
St. Charles County · Standard ZIP code
ZIP code 63366 belongs to O Fallon, Missouri in St. Charles County. 63366 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Central Time zone and uses area code 636. About 54,769 people live in the 63366 area, where the median household income is $100,621. The closest ZIP codes are 63367 (Lake Saint Louis, 3.1 mi southwest), 63368 (O Fallon, 5.1 mi south) and 63385 (Wentzville, 6.1 mi west).
| ZIP code | 63366 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | O Fallon |
| Also accepted | Cottleville, Dardenne Pr, Dardenne Prairie, Saint Paul, Saint Peters |
| State | Missouri (MO) |
| County | St. Charles County |
| Time zone | Central Time · now |
| Area code | 636 |
| Coordinates | 38.8239, -90.7427 map |
| 3-digit prefix | 633 |
Population and income in 63366
| Population | 54,769 · higher than 100% of Missouri ZIP codes |
|---|---|
| People per square mile | 790 · higher than 86% of Missouri ZIP codes |
| Median age | 40.4 years · lower than 57% of Missouri ZIP codes |
| Men / women | 50% / 50% |
| Median household income | $100,621 · higher than 93% of Missouri ZIP codes |
| Income per person | $45,718 |
| Below the poverty line | 7.0% |
| Bachelor’s degree or higher | 33% of adults 25+ |
| Median home value | $304,500 · higher than 89% of Missouri ZIP codes |
| Median rent | $1,302 a month |
| Housing units | 21,514 |
| Households | 20,967 (2.6 people on average) |
| Owners / renters | 82% / 18% |
| Land area | 69.28 sq mi (plus 1.33 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 63366. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 63366
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 63367 | Lake Saint Louis, MO | 3.1 mi SW | Standard |
| 63368 | O Fallon, MO | 5.1 mi S | Standard |
| 63385 | Wentzville, MO | 6.1 mi W | Standard |
| 63346 | Flinthill, MO | 6.9 mi NW | PO Box only |
| 63376 | Saint Peters, MO | 7.1 mi SE | Standard |
| 63338 | Cottleville, MO | 7.2 mi SE | PO Box only |
| 63369 | Old Monroe, MO | 7.9 mi N | Standard |
| 63304 | Saint Charles, MO | 8.8 mi SE | Standard |
| 63365 | New Melle, MO | 10.3 mi SW | PO Box only |
| 62036 | Golden Eagle, IL | 11 mi NE | Standard |
| 63348 | Foristell, MO | 11.2 mi W | Standard |
| 63303 | Saint Charles, MO | 11.4 mi E | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 63366 or measure the distance to another ZIP code.
How to address mail to 63366
123 MAIN ST
O FALLON MO 63366
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts COTTLEVILLE, DARDENNE PR, DARDENNE PRAIRIE, SAINT PAUL and SAINT PETERS as the city name for 63366. Avoid Dardenne, Ofallon and St Peters: USPS doesn’t recognize them as the city for this ZIP code. Adding the 4-digit ZIP+4 code (63366-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in O Fallon, MO
All O Fallon ZIP codes with population and income →
Questions
- What city is ZIP code 63366?
- 63366 is a O Fallon, Missouri ZIP code. Cottleville, Dardenne Pr, Dardenne Prairie, Saint Paul and Saint Peters are also accepted as the city name.
- What county is 63366 in?
- ZIP code 63366 is in St. Charles County, Missouri.
- What time zone is ZIP code 63366 in?
- 63366 is in the Central Time zone (America/Chicago).
- What area code is 63366?
- Phone numbers in ZIP code 63366 use area code 636.
- What is the population of ZIP code 63366?
- About 54,769 people live in ZIP code 63366, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 63366?
- The median household income in 63366 is $100,621 a year, higher than 93% of Missouri ZIP codes.
- What ZIP codes are near 63366?
- The nearest ZIP codes to 63366 are 63367 (Lake Saint Louis, 3.1 miles), 63368 (O Fallon, 5.1 miles), 63385 (Wentzville, 6.1 miles) and 63346 (Flinthill, 6.9 miles).