66944
ZIP 66944 is Haddam, Kansas, in Washington County; area code 785; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Washington
- Metro area
- none
- Population
- 304
- Coordinates
- 39.8402, -97.2931
Weather right now
Asking the National Weather Service…
Where 66944 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 66944 into a pocket calculator and turn it upside down: hhGgg — not quite a word, sorry.
- ➕ As a number, 66,944 = 2 × 2 × 2 × 2 × 2 × 2 × 2 × 523. Its digits add up to 29, a total 1,296 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10000010110000000 - 🏠 Its numerical neighbours: 66943 (Greenleaf, KS, 21 mi away) and 66945 (Hanover, KS, 22 mi away).
- 🔄 Backwards, 66944 becomes 44966, which is not a ZIP code at all.
- 👥 8 other ZIP codes are made of exactly the same digits (44669, 46946, 49646, 49664, 64469, 64496, …). The farthest-flung twin is 44669 in Paris, OH, 852 miles away.
- 🧭 Farther north than 55% of all ZIP codes, and farther west than 75%.
- 🎯68 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 66944 and you would come out at 39.84°S, 82.71°E — 897 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
- 📏 At 93.2 square miles of land, 66944 is bigger than 76% of ZIP codes — room for about 71 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 304This ZIP304 |
|---|---|
| Households | 95This ZIP95 |
| Housing units | 138This ZIP138 |
| Median age | 49.8This ZIP49.8Kansas37.4US 38.9 |
| Median household income | $75,625This ZIP$75,625Kansas$74,275US $80,734 |
| Bachelor's degree or higher | 52.7%This ZIP52.7% |
| Mean commute | 34.5 minThis ZIP34.5 min |
| Population density | 3.3 / sq miThis ZIP3.3 / sq mi |
Land area
| Land area | 93.20 sq miThis ZIP93.20 sq mi |
|---|---|
| Water area | 0.21 sq miThis ZIP0.21 sq mi |
Other place names in 66944
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 66944
| ZIP | City | Distance |
|---|---|---|
66958 | Morrowville, KS | 7.0 mi |
66940 | Cuba, KS | 8.9 mi |
66960 | Narka, KS | 9.5 mi |
66955 | Mahaska, KS | 9.8 mi |
66968 | Washington, KS | 12.2 mi |
66959 | Munden, KS | 13.8 mi |
66930 | Agenda, KS | 14.1 mi |
66953 | Linn, KS | 14.5 mi |
68429 | Reynolds, NE | 15.9 mi |
66937 | Clifton, KS | 16.7 mi |
Find every ZIP code within 10 miles of 66944 →
Questions about this ZIP code
Where is ZIP code 66944?
66944 is in Haddam, Kansas, in Washington County. Its published point location is 39.8402, -97.2931.
What county is 66944 in?
66944 lies in Washington County.
What area code is 66944?
Haddam uses area code 785, from NANPA's telephone records.
What time zone is 66944 in?
66944 uses America/Chicago.
How many people live in 66944?
About 304 people live in ZIP code 66944, in 95 households, at 3.3 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 66944?
$75,625 a year, against $74,275 across Kansas.
What ZIP codes are near 66944?
The closest are 66958 (7 mi), 66940 (8.9 mi), 66960 (9.5 mi), 66955 (9.8 mi) and 66968 (12.2 mi).
Is 66944 a PO Box ZIP code?
66944 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “66944 ZIP Code — Haddam, Kansas (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/66944
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/66944.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.