65230
ZIP 65230 is Armstrong, Missouri, mostly in Howard County; area code 660; Central time.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Howard +1 more
- Metro area
- Columbia, MO
- Population
- 591
- Coordinates
- 39.2906, -92.6813
Weather right now
Asking the National Weather Service…
Where 65230 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 65230 into a pocket calculator and turn it upside down: OEZSg — not quite a word, sorry.
- ➕ As a number, 65,230 = 2 × 5 × 11 × 593. Its digits add up to 16, a total 1,922 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1111111011001110 - 🏠 Its numerical neighbours: 65218 (Columbia, MO, 30 mi away) and 65231 (Auxvasse, MO, 46 mi away).
- 🔄 Backwards, 65230 becomes 03256 — and that is a real ZIP code: New Hampton, NH, 1,127 miles away.
- 👥 70 other ZIP codes are made of exactly the same digits (02356, 02536, 02563, 02635, 02653, 03256, …). The farthest-flung twin is 02653 in Orleans, MA, 1,201 miles away.
- 🧭 Farther north than 51% of all ZIP codes, and farther west than 62%.
- 🎯316 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 65230 and you would come out at 39.29°S, 87.32°E — 1,090 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 56m of daylight. Shortest: 9h 24m.
- 📏 At 65.5 square miles of land, 65230 is bigger than 67% of ZIP codes — room for about 50 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 591This ZIP591 |
|---|---|
| Households | 215This ZIP215 |
| Housing units | 324This ZIP324 |
| Median age | 33.6This ZIP33.6Missouri39.0US 38.9 |
| Median household income | $51,607This ZIP$51,607Missouri$70,702US $80,734 |
| Median home value | $77,100This ZIP$77,100Missouri$230,300US $332,700 |
| Median gross rent | $913This ZIP$913Missouri$1,033US $1,413 |
| Bachelor's degree or higher | 9.0%This ZIP9.0% |
| Mean commute | 25.5 minThis ZIP25.5 min |
| Population density | 9.0 / sq miThis ZIP9.0 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 26This ZIP26 |
| Annual payroll | $1,054,000This ZIP$1,054,000 |
| Tax returns filed | 280This ZIP280 |
| Total adjusted gross income | $15,369,000This ZIP$15,369,000 |
Land area
| Land area | 65.47 sq miThis ZIP65.47 sq mi |
|---|---|
| Water area | 0.15 sq miThis ZIP0.15 sq mi |
Counties 65230 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Howard County | 78.6% |
| Randolph County | 21.3% |
Other place names in 65230
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 65230
| ZIP | City | Distance |
|---|---|---|
65257 | Higbee, MO | 7.9 mi |
65254 | Glasgow, MO | 10.4 mi |
65248 | Fayette, MO | 10.6 mi |
65281 | Salisbury, MO | 13.4 mi |
65244 | Clifton Hill, MO | 13.5 mi |
65259 | Huntsville, MO | 14.2 mi |
65278 | Renick, MO | 14.8 mi |
65330 | Gilliam, MO | 15.2 mi |
65256 | Harrisburg, MO | 16.8 mi |
65261 | Keytesville, MO | 17.3 mi |
Find every ZIP code within 10 miles of 65230 →
Questions about this ZIP code
Where is ZIP code 65230?
65230 is in Armstrong, Missouri, in Howard County, part of the Columbia, MO metropolitan area. Its published point location is 39.2906, -92.6813.
What county is 65230 in?
65230 spans 2 counties: Howard County and Randolph County. Most of it falls in Howard 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 65230?
Armstrong uses area code 660, from NANPA's telephone records.
What time zone is 65230 in?
65230 uses America/Chicago.
How many people live in 65230?
About 591 people live in ZIP code 65230, in 215 households, at 9.0 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 65230?
$51,607 a year, against $70,702 across Missouri.
What ZIP codes are near 65230?
The closest are 65257 (7.9 mi), 65254 (10.4 mi), 65248 (10.6 mi), 65281 (13.4 mi) and 65244 (13.5 mi).
Is 65230 a PO Box ZIP code?
65230 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “65230 ZIP Code — Armstrong, Missouri (Howard County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/65230
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/65230.json Underlying data is public domain or openly licensed — sources, vintages and licences.