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zipcodes.pro — ZIP/63366

63366

ZIP 63366 is in O Fallon, Missouri, in St. Charles County; area code 636; Central time. O Fallon has 2 ZIP codes; the other is 63368.

Type
Standard
Time zone
America/Chicago
County
St. Charles
Metro area
St. Louis, MO-IL
Population
54,769
Coordinates
38.8575, -90.7253
☼ Live from 63366 — O Fallon, MO

Weather right now

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Local time: —

Where 63366 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 63366
  • 🔢 Type 63366 into a pocket calculator and turn it upside down: ggEEg — not quite a word, sorry.
  • ➕ As a number, 63,366 = 2 × 3 × 59 × 179. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011110000110
  • 🏠 Its numerical neighbours: 63365 (New Melle, MO, 13 mi away) and 63367 (Lake Saint Louis, MO, 7 mi away).
  • 🔄 Backwards, 63366 becomes 66336, which is not a ZIP code at all.
  • 👥 3 other ZIP codes are made of exactly the same digits (36663, 63636, 63663). The farthest-flung twin is 36663 in Mobile, AL, 580 miles away.
  • 🧭 Farther south than 52% of all ZIP codes, and farther west than 58%.
  • 🎯425 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63366 and you would come out at 38.86°S, 89.27°E — 1,186 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 54m of daylight. Shortest: 9h 26m.
  • 📏 At 69.3 square miles of land, 63366 is bigger than 68% of ZIP codes — room for about 53 Central Parks.
🌙 The sky over 63366 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population54,769This ZIP54,769
Households20,967This ZIP20,967
Housing units21,514This ZIP21,514
Median age40.4This ZIP40.4Missouri39.0US 38.9
Median household income$100,621This ZIP$100,621Missouri$70,702US $80,734
Median home value$304,500This ZIP$304,500Missouri$230,300US $332,700
Median gross rent$1,302This ZIP$1,302Missouri$1,033US $1,413
Bachelor's degree or higher33.3%This ZIP33.3%
Mean commute24.9 minThis ZIP24.9 min
Population density790.5 / sq miThis ZIP790.5 / sq mi

Business and tax activity

Business establishments1,192This ZIP1,192
Employees21,736This ZIP21,736
Annual payroll$1,634,379,000This ZIP$1,634,379,000
Tax returns filed26,120This ZIP26,120
Total adjusted gross income$2,176,937,000This ZIP$2,176,937,000

Land area

Land area69.28 sq miThis ZIP69.28 sq mi
Water area1.33 sq miThis ZIP1.33 sq mi

Other place names in 63366

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 63366

ZIPCityDistance
63369 Old Monroe, MO 6.2 mi
63367 Lake Saint Louis, MO 6.9 mi
63376 Saint Peters, MO 7.2 mi
63368 O Fallon, MO 7.3 mi
63385 Wentzville, MO 8.2 mi
62036 Golden Eagle, IL 8.4 mi
63338 Cottleville, MO 8.6 mi
63389 Winfield, MO 10.2 mi
63362 Moscow Mills, MO 10.6 mi
62013 Brussels, IL 10.6 mi

Find every ZIP code within 10 miles of 63366 →

Questions about this ZIP code

Where is ZIP code 63366?

63366 is in O Fallon, Missouri, in St. Charles County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.8575, -90.7253.

What county is 63366 in?

63366 lies in St. Charles County.

What area code is 63366?

O Fallon uses area code 636, from NANPA's telephone records.

What time zone is 63366 in?

63366 uses America/Chicago.

How many people live in 63366?

About 54,769 people live in ZIP code 63366, in 20,967 households, at 790.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 63366?

$100,621 a year, against $70,702 across Missouri.

What ZIP codes are near 63366?

The closest are 63369 (6.2 mi), 63367 (6.9 mi), 63376 (7.2 mi), 63368 (7.3 mi) and 63385 (8.2 mi).

Is 63366 a PO Box ZIP code?

63366 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “63366 ZIP Code — O Fallon, Missouri (St. Charles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63366

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