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zipcodes.pro — ZIP/63346

63346

ZIP 63346 is Flinthill, Missouri, in St. Charles County; area code 636; Central time.

Type
No street area
Time zone
America/Chicago
County
St. Charles
Metro area
St. Louis, MO-IL
Coordinates
38.7509, -90.5368

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 63303, whose figures describe that area — not this ZIP code.

☼ Live from 63346 — Flinthill, MO

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Where 63346 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 63346
  • 🔢 Type 63346 into a pocket calculator and turn it upside down: ghEEg — not quite a word, sorry.
  • ➕ As a number, 63,346 = 2 × 19 × 1667. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011101110010
  • 🏠 Its numerical neighbours: 63345 (Farber, MO, 66 mi away) and 63347 (Foley, MO, 25 mi away).
  • 🔄 Backwards, 63346 becomes 64336, which is not a ZIP code at all.
  • 👥 9 other ZIP codes are made of exactly the same digits (33466, 33646, 33664, 34636, 36346, 36436, …). The farthest-flung twin is 33466 in Lake Worth, FL, 1,034 miles away.
  • 🧭 Farther south than 53% of all ZIP codes, and farther west than 58%.
  • 🎯436 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63346 and you would come out at 38.75°S, 89.46°E — 1,198 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 53m of daylight. Shortest: 9h 27m.
🌙 The sky over 63346 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees66This ZIP66
Annual payroll$2,929,000This ZIP$2,929,000

Land area

ZIP codes near 63346

ZIPCityDistance
63303 Saint Charles, MO 0.9 mi
63302 Saint Charles, MO 3.8 mi
63045 Earth City, MO 4.1 mi
63146 Saint Louis, MO 4.6 mi
63043 Maryland Heights, MO 4.7 mi
63376 Saint Peters, MO 5.3 mi
63044 Bridgeton, MO 6.0 mi
63338 Cottleville, MO 6.3 mi
63006 Chesterfield, MO 6.4 mi
63017 Chesterfield, MO 6.5 mi

Find every ZIP code within 10 miles of 63346 →

Questions about this ZIP code

Where is ZIP code 63346?

63346 is in Flinthill, Missouri, in St. Charles County, part of the St. Louis, MO-IL metropolitan area. Its published point location is 38.7509, -90.5368.

What county is 63346 in?

63346 lies in St. Charles County.

What area code is 63346?

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

What time zone is 63346 in?

63346 uses America/Chicago.

What ZIP codes are near 63346?

The closest are 63303 (0.9 mi), 63302 (3.8 mi), 63045 (4.1 mi), 63146 (4.6 mi) and 63043 (4.7 mi).

Is 63346 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “63346 ZIP Code — Flinthill, Missouri (St. Charles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63346

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/63346.json

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