64440
ZIP 64440 is De Kalb, Missouri, mostly in Buchanan County; area code 816; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Buchanan +1 more
- Metro area
- St. Joseph, MO-KS
- Population
- 900
- Coordinates
- 39.5851, -94.9103
Weather right now
Asking the National Weather Service…
Where 64440 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.
- 🔢 Type 64440 into a pocket calculator and turn it upside down: Ohhhg — not quite a word, sorry.
- ➕ As a number, 64,440 = 2 × 2 × 2 × 3 × 3 × 5 × 179. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111101110111000 - 🏠 Its numerical neighbours: 64439 (Dearborn, MO, 9 mi away) and 64441 (Denver, MO, 65 mi away).
- 🔄 Backwards, 64440 becomes 04446, which is not a ZIP code at all.
- 👥 12 other ZIP codes are made of exactly the same digits (04464, 04644, 06444, 40464, 44046, 44064, …). The farthest-flung twin is 04644 in Hulls Cove, ME, 1,402 miles away.
- 🧭 Farther north than 53% of all ZIP codes, and farther west than 68%.
- 🎯196 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 64440 and you would come out at 39.59°S, 85.09°E — 993 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 58m of daylight. Shortest: 9h 22m.
- 📏 At 36.2 square miles of land, 64440 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 900This ZIP900 |
|---|---|
| Households | 309This ZIP309 |
| Housing units | 397This ZIP397 |
| Median age | 40.8This ZIP40.8Missouri39.0US 38.9 |
| Median household income | $94,306This ZIP$94,306Missouri$70,702US $80,734 |
| Median home value | $187,800This ZIP$187,800Missouri$230,300US $332,700 |
| Median gross rent | $940This ZIP$940Missouri$1,033US $1,413 |
| Bachelor's degree or higher | 9.0%This ZIP9.0% |
| Mean commute | 28.6 minThis ZIP28.6 min |
| Population density | 24.8 / sq miThis ZIP24.8 / sq mi |
Business and tax activity
| Business establishments | 12This ZIP12 |
|---|---|
| Employees | 24This ZIP24 |
| Annual payroll | $889,000This ZIP$889,000 |
| Tax returns filed | 380This ZIP380 |
| Total adjusted gross income | $27,813,000This ZIP$27,813,000 |
Land area
| Land area | 36.24 sq miThis ZIP36.24 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
Counties 64440 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Buchanan County | 90.6% |
| Platte County | 9.4% |
Other place names in 64440
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 64440
| ZIP | City | Distance |
|---|---|---|
64448 | Faucett, MO | 4.6 mi |
64484 | Rushville, MO | 5.9 mi |
64508 | Saint Joseph, MO | 6.9 mi |
64504 | Saint Joseph, MO | 7.3 mi |
64098 | Weston, MO | 8.2 mi |
64439 | Dearborn, MO | 9.4 mi |
64401 | Agency, MO | 10.9 mi |
64503 | Saint Joseph, MO | 11.9 mi |
66024 | Elwood, KS | 12.3 mi |
66002 | Atchison, KS | 12.5 mi |
Find every ZIP code within 10 miles of 64440 →
Questions about this ZIP code
Where is ZIP code 64440?
64440 is in De Kalb, Missouri, in Buchanan County, part of the St. Joseph, MO-KS metropolitan area. Its published point location is 39.5851, -94.9103.
What county is 64440 in?
64440 spans 2 counties: Buchanan County and Platte County. Most of it falls in Buchanan County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 64440?
De Kalb uses area code 816, from NANPA's telephone records.
What time zone is 64440 in?
64440 uses America/Chicago.
How many people live in 64440?
About 900 people live in ZIP code 64440, in 309 households, at 24.8 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 64440?
$94,306 a year, against $70,702 across Missouri.
What ZIP codes are near 64440?
The closest are 64448 (4.6 mi), 64484 (5.9 mi), 64508 (6.9 mi), 64504 (7.3 mi) and 64098 (8.2 mi).
Is 64440 a PO Box ZIP code?
64440 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “64440 ZIP Code — De Kalb, Missouri (Buchanan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/64440
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/64440.json Underlying data is public domain or openly licensed — sources, vintages and licences.