63401
ZIP 63401 is Hannibal, Missouri, mostly in Marion County; area code 573; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Marion +1 more
- Metro area
- Hannibal, MO
- Population
- 21,489
- Coordinates
- 39.6899, -91.4663
Weather right now
Asking the National Weather Service…
Where 63401 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 63401 into a pocket calculator and turn it upside down: IOhEg — not quite a word, sorry.
- ➕ As a number, 63,401 = 13 × 4877. Its digits add up to 14, a total 1,416 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111011110101001 - 🏠 Its numerical neighbours: 63390 (Wright City, MO, 65 mi away) and 63430 (Alexandria, MO, 48 mi away).
- 🔄 Backwards, 63401 becomes 10436, which is not a ZIP code at all.
- 👥 68 other ZIP codes are made of exactly the same digits (01346, 01364, 01436, 01463, 03461, 04613, …). The farthest-flung twin is 34061 in FPO AA, a military post office, 2,247 miles away.
- 🧭 Farther north than 54% of all ZIP codes, and farther west than 60%.
- 🎯378 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 63401 and you would come out at 39.69°S, 88.53°E — 1,117 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 59m of daylight. Shortest: 9h 21m.
- 📏 At 110.9 square miles of land, 63401 is bigger than 80% of ZIP codes — room for about 84 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 21,489This ZIP21,489 |
|---|---|
| Households | 8,612This ZIP8,612 |
| Housing units | 9,832This ZIP9,832 |
| Median age | 40.1This ZIP40.1Missouri39.0US 38.9 |
| Median household income | $60,036This ZIP$60,036Missouri$70,702US $80,734 |
| Median home value | $152,100This ZIP$152,100Missouri$230,300US $332,700 |
| Median gross rent | $806This ZIP$806Missouri$1,033US $1,413 |
| Bachelor's degree or higher | 23.2%This ZIP23.2% |
| Mean commute | 16.2 minThis ZIP16.2 min |
| Population density | 193.7 / sq miThis ZIP193.7 / sq mi |
Business and tax activity
| Business establishments | 643This ZIP643 |
|---|---|
| Employees | 10,025This ZIP10,025 |
| Annual payroll | $486,522,000This ZIP$486,522,000 |
| Tax returns filed | 9,480This ZIP9,480 |
| Total adjusted gross income | $611,469,000This ZIP$611,469,000 |
Land area
| Land area | 110.92 sq miThis ZIP110.92 sq mi |
|---|---|
| Water area | 1.87 sq miThis ZIP1.87 sq mi |
Counties 63401 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Marion County | 50.1% |
| Ralls County | 49.9% |
Other place names in 63401
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 63401
| ZIP | City | Distance |
|---|---|---|
63459 | New London, MO | 8.5 mi |
63461 | Palmyra, MO | 9.1 mi |
63467 | Saverton, MO | 11.0 mi |
62343 | Hull, IL | 11.8 mi |
63436 | Center, MO | 13.7 mi |
62360 | Payson, IL | 14.0 mi |
63456 | Monroe City, MO | 14.1 mi |
63441 | Frankford, MO | 16.3 mi |
63471 | Taylor, MO | 16.4 mi |
62301 | Quincy, IL | 17.2 mi |
Find every ZIP code within 10 miles of 63401 →
Questions about this ZIP code
Where is ZIP code 63401?
63401 is in Hannibal, Missouri, in Marion County, part of the Hannibal, MO micropolitan area. Its published point location is 39.6899, -91.4663.
What county is 63401 in?
63401 spans 2 counties: Marion County and Ralls County. Most of it falls in Marion 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 63401?
Hannibal uses area code 573, from NANPA's telephone records.
What time zone is 63401 in?
63401 uses America/Chicago.
How many people live in 63401?
About 21,489 people live in ZIP code 63401, in 8,612 households, at 193.7 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 63401?
$60,036 a year, against $70,702 across Missouri.
What ZIP codes are near 63401?
The closest are 63459 (8.5 mi), 63461 (9.1 mi), 63467 (11 mi), 62343 (11.8 mi) and 63436 (13.7 mi).
Is 63401 a PO Box ZIP code?
63401 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “63401 ZIP Code — Hannibal, Missouri (Marion County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/63401
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/63401.json Underlying data is public domain or openly licensed — sources, vintages and licences.