Weather right now
Asking the National Weather Service…
Where 64646 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 64646 into a pocket calculator and turn it upside down: ghghg — not quite a word, sorry.
- ⇆64646 reads the same backwards. It is one of only 412 palindromic ZIP codes.
- ➕ As a number, 64,646 = 2 × 32323. Its digits add up to 26, a total 2,038 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111110010000110 - 🏠 Its numerical neighbours: 64645 (Harris, MO, 14 mi away) and 64647 (Jameson, MO, 35 mi away).
- 👥 3 other ZIP codes are made of exactly the same digits (44666, 64466, 64664). The farthest-flung twin is 44666 in North Lawrence, OH, 615 miles away.
- 🧭 Farther north than 57% of all ZIP codes, and farther west than 64%.
- 🎯280 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 64646 and you would come out at 40.10°S, 86.69°E — 1,027 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 19m.
- 📏 At 48.6 square miles of land, 64646 is bigger than 59% of ZIP codes — room for about 37 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 471This ZIP471 |
|---|---|
| Households | 96This ZIP96 |
| Housing units | 172This ZIP172 |
| Median age | 27.0This ZIP27.0Missouri39.0US 38.9 |
| Median household income | $68,125This ZIP$68,125Missouri$70,702US $80,734 |
| Median gross rent | $500This ZIP$500Missouri$1,033US $1,413 |
| Bachelor's degree or higher | 12.3%This ZIP12.3% |
| Mean commute | 27.1 minThis ZIP27.1 min |
| Population density | 9.7 / sq miThis ZIP9.7 / sq mi |
Business and tax activity
| Tax returns filed | 130This ZIP130 |
|---|---|
| Total adjusted gross income | $6,257,000This ZIP$6,257,000 |
Land area
| Land area | 48.58 sq miThis ZIP48.58 sq mi |
|---|---|
| Water area | 0.30 sq miThis ZIP0.30 sq mi |
Counties 64646 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Sullivan County | 87.8% |
| Linn County | 12.2% |
Other place names in 64646
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 64646
| ZIP | City | Distance |
|---|---|---|
64641 | Galt, MO | 6.7 mi |
64652 | Laredo, MO | 7.9 mi |
64630 | Browning, MO | 9.1 mi |
63556 | Milan, MO | 11.7 mi |
64635 | Chula, MO | 12.1 mi |
64674 | Purdin, MO | 12.1 mi |
64645 | Harris, MO | 13.9 mi |
64653 | Linneus, MO | 15.3 mi |
64683 | Trenton, MO | 15.7 mi |
64679 | Spickard, MO | 17.2 mi |
Find every ZIP code within 10 miles of 64646 →
Questions about this ZIP code
Where is ZIP code 64646?
64646 is in Humphreys, Missouri, in Sullivan County. Its published point location is 40.0990, -93.3090.
What county is 64646 in?
64646 spans 2 counties: Sullivan County and Linn County. Most of it falls in Sullivan 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 64646?
Humphreys uses area code 660, from NANPA's telephone records.
What time zone is 64646 in?
64646 uses America/Chicago.
How many people live in 64646?
About 471 people live in ZIP code 64646, in 96 households, at 9.7 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 64646?
$68,125 a year, against $70,702 across Missouri.
What ZIP codes are near 64646?
The closest are 64641 (6.7 mi), 64652 (7.9 mi), 64630 (9.1 mi), 63556 (11.7 mi) and 64635 (12.1 mi).
Is 64646 a PO Box ZIP code?
64646 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “64646 ZIP Code — Humphreys, Missouri (Sullivan County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/64646
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/64646.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.