Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/63546

63546

ZIP 63546 is Greentop, 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
1,340
Coordinates
40.3379, -92.5025
☼ Live from 63546 — Greentop, MO

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 63546 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 63546
  • 🔢 Type 63546 into a pocket calculator and turn it upside down: ghSEg — not quite a word, sorry.
  • ➕ As a number, 63,546 = 2 × 3 × 7 × 17 × 89. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111100000111010
  • 🏠 Its numerical neighbours: 63545 (Green City, MO, 25 mi away) and 63547 (Hurdland, MO, 18 mi away).
  • 🔄 Backwards, 63546 becomes 64536, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (34656, 35466, 35646, 36456, 36564, 43566, …). The farthest-flung twin is 34656 in New Port Richey, FL, 1,004 miles away.
  • 🧭 Farther north than 59% of all ZIP codes, and farther west than 62%.
  • 🎯323 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 63546 and you would come out at 40.34°S, 87.50°E — 1,047 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
  • 📏 At 113.3 square miles of land, 63546 is bigger than 81% of ZIP codes — room for about 86 Central Parks.
🌙 The sky over 63546 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population1,340This ZIP1,340
Households437This ZIP437
Housing units576This ZIP576
Median age45.5This ZIP45.5Missouri39.0US 38.9
Median household income$72,404This ZIP$72,404Missouri$70,702US $80,734
Median home value$173,600This ZIP$173,600Missouri$230,300US $332,700
Median gross rent$448This ZIP$448Missouri$1,033US $1,413
Bachelor's degree or higher17.4%This ZIP17.4%
Mean commute20.6 minThis ZIP20.6 min
Population density11.8 / sq miThis ZIP11.8 / sq mi

Business and tax activity

Business establishments10This ZIP10
Employees215This ZIP215
Annual payroll$11,349,000This ZIP$11,349,000
Tax returns filed660This ZIP660
Total adjusted gross income$38,598,000This ZIP$38,598,000

Land area

Land area113.29 sq miThis ZIP113.29 sq mi
Water area0.84 sq miThis ZIP0.84 sq mi

Counties 63546 spans

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

CountyShare of this ZIP
Adair County 64.9%
Schuyler County 33.1%
Scotland County 2.1%

Other place names in 63546

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

ZIP codes near 63546

ZIPCityDistance
63561 Queen City, MO 5.3 mi
63533 Brashear, MO 11.2 mi
63567 Worthington, MO 11.8 mi
63501 Kirksville, MO 12.7 mi
63536 Downing, MO 12.8 mi
63541 Glenwood, MO 13.2 mi
63548 Lancaster, MO 13.7 mi
63531 Baring, MO 14.0 mi
63559 Novinger, MO 15.4 mi
63551 Livonia, MO 16.8 mi

Find every ZIP code within 10 miles of 63546 →

Questions about this ZIP code

Where is ZIP code 63546?

63546 is in Greentop, Missouri, in Adair County, part of the Kirksville, MO micropolitan area. Its published point location is 40.3379, -92.5025.

What county is 63546 in?

63546 spans 3 counties: Adair County, Schuyler County and Scotland 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 63546?

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

What time zone is 63546 in?

63546 uses America/Chicago.

How many people live in 63546?

About 1,340 people live in ZIP code 63546, in 437 households, at 11.8 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 63546?

$72,404 a year, against $70,702 across Missouri.

What ZIP codes are near 63546?

The closest are 63561 (5.3 mi), 63533 (11.2 mi), 63567 (11.8 mi), 63501 (12.7 mi) and 63536 (12.8 mi).

Is 63546 a PO Box ZIP code?

63546 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “63546 ZIP Code — Greentop, Missouri (Adair County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63546

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/63546.json

Underlying data is public domain or openly licensed — sources, vintages and licences.