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zipcodes.pro — ZIP/63544

63544

ZIP 63544 is Green Castle, Missouri, mostly in Adair County; area code 660; Central time.

Type
Standard
Time zone
America/Chicago
County
Adair +2 more
Metro area
Kirksville, MO
Population
1,159
Coordinates
40.2434, -92.8502
☼ Live from 63544 — Green Castle, MO

Weather right now

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Local time: —

Where 63544 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 63544
  • 🔢 Type 63544 into a pocket calculator and turn it upside down: hhSEg — not quite a word, sorry.
  • ➕ As a number, 63,544 = 2 × 2 × 2 × 13 × 13 × 47. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111100000111000
  • 🏠 Its numerical neighbours: 63543 (Gorin, MO, 45 mi away) and 63545 (Green City, MO, 6 mi away).
  • 🔄 Backwards, 63544 becomes 44536, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (34465, 34654, 35446, 35464, 36445, 36454, …). The farthest-flung twin is 34654 in New Port Richey, FL, 1,009 miles away.
  • 🧭 Farther north than 59% of all ZIP codes, and farther west than 63%.
  • 🎯304 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63544 and you would come out at 40.24°S, 87.15°E — 1,038 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 18m.
  • 📏 At 138.9 square miles of land, 63544 is bigger than 85% of ZIP codes — room for about 105 Central Parks.
🌙 The sky over 63544 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,159This ZIP1,159
Households410This ZIP410
Housing units523This ZIP523
Median age52.9This ZIP52.9Missouri39.0US 38.9
Median household income$44,167This ZIP$44,167Missouri$70,702US $80,734
Median home value$109,400This ZIP$109,400Missouri$230,300US $332,700
Median gross rent$664This ZIP$664Missouri$1,033US $1,413
Bachelor's degree or higher15.0%This ZIP15.0%
Mean commute24.6 minThis ZIP24.6 min
Population density8.3 / sq miThis ZIP8.3 / sq mi

Business and tax activity

Business establishments4This ZIP4
Employees10This ZIP10
Annual payroll$458,000This ZIP$458,000
Tax returns filed300This ZIP300
Total adjusted gross income$18,381,000This ZIP$18,381,000

Land area

Land area138.88 sq miThis ZIP138.88 sq mi
Water area0.20 sq miThis ZIP0.20 sq mi

Counties 63544 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Adair County 45.1%
Sullivan County 42.9%
Putnam County 12.0%

Other place names in 63544

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

ZIP codes near 63544

ZIPCityDistance
63559 Novinger, MO 4.4 mi
63545 Green City, MO 6.4 mi
63567 Worthington, MO 14.0 mi
63556 Milan, MO 14.6 mi
63501 Kirksville, MO 14.7 mi
63566 Winigan, MO 15.7 mi
63560 Pollock, MO 16.4 mi
63565 Unionville, MO 17.2 mi
63557 New Boston, MO 18.1 mi
63551 Livonia, MO 18.6 mi

Find every ZIP code within 10 miles of 63544 →

Questions about this ZIP code

Where is ZIP code 63544?

63544 is in Green Castle, Missouri, in Adair County, part of the Kirksville, MO micropolitan area. Its published point location is 40.2434, -92.8502.

What county is 63544 in?

63544 spans 3 counties: Adair County, Sullivan County and Putnam County. Most of it falls in Adair 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 63544?

Green Castle uses area code 660, from NANPA's telephone records.

What time zone is 63544 in?

63544 uses America/Chicago.

How many people live in 63544?

About 1,159 people live in ZIP code 63544, in 410 households, at 8.3 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 63544?

$44,167 a year, against $70,702 across Missouri.

What ZIP codes are near 63544?

The closest are 63559 (4.4 mi), 63545 (6.4 mi), 63567 (14 mi), 63556 (14.6 mi) and 63501 (14.7 mi).

Is 63544 a PO Box ZIP code?

63544 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “63544 ZIP Code — Green Castle, Missouri (Adair County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63544

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/63544.json

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