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Where 06231 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 06231 into a pocket calculator and turn it upside down: IEZgO — not quite a word, sorry.
- ➕ As a number, 6,231 = 3 × 31 × 67. Its digits add up to 12, a total 940 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100001010111 - 🏠 Its numerical neighbours: 06230 (Abington, CT, 23 mi away) and 06232 (Andover, CT, 7 mi away).
- 🔄 Backwards, 06231 becomes 13260, which is not a ZIP code at all.
- 👥 62 other ZIP codes are made of exactly the same digits (01236, 01263, 02136, 02163, 02361, 02631, …). The farthest-flung twin is 36102 in Montgomery, AL, 1,001 miles away.
- 🧭 Farther north than 72% of all ZIP codes, and farther east than 94%.
- 🎯1,373 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 06231 and you would come out at 41.63°S, 107.63°E — 808 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 12m of daylight. Shortest: 9h 09m.
- 📏 At 15.7 square miles of land, 06231 is bigger than 33% of ZIP codes — room for about 12 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 3,648This ZIP3,648 |
|---|---|
| Households | 1,295This ZIP1,295 |
| Housing units | 1,444This ZIP1,444 |
| Median age | 44.5This ZIP44.5Connecticut41.1US 38.9 |
| Median household income | $168,313This ZIP$168,313Connecticut$95,781US $80,734 |
| Median home value | $407,500This ZIP$407,500Connecticut$366,900US $332,700 |
| Median gross rent | $1,378This ZIP$1,378Connecticut$1,488US $1,413 |
| Bachelor's degree or higher | 59.2%This ZIP59.2% |
| Mean commute | 34.4 minThis ZIP34.4 min |
| Population density | 233.0 / sq miThis ZIP233.0 / sq mi |
Business and tax activity
| Business establishments | 32This ZIP32 |
|---|---|
| Employees | 123This ZIP123 |
| Annual payroll | $5,704,000This ZIP$5,704,000 |
| Tax returns filed | 2,000This ZIP2,000 |
| Total adjusted gross income | $228,201,000This ZIP$228,201,000 |
Land area
| Land area | 15.66 sq miThis ZIP15.66 sq mi |
|---|---|
| Water area | 0.18 sq miThis ZIP0.18 sq mi |
ZIP codes near 06231
| ZIP | City | Distance |
|---|---|---|
06474 | North Westchester, CT | 4.0 mi |
06248 | Hebron, CT | 4.4 mi |
06447 | Marlborough, CT | 4.5 mi |
06237 | Columbia, CT | 5.3 mi |
06415 | Colchester, CT | 5.8 mi |
06249 | Lebanon, CT | 6.6 mi |
06232 | Andover, CT | 6.9 mi |
06424 | East Hampton, CT | 8.6 mi |
06025 | East Glastonbury, CT | 9.5 mi |
06336 | Gilman, CT | 9.6 mi |
Find every ZIP code within 10 miles of 06231 →
Questions about this ZIP code
Where is ZIP code 06231?
06231 is in Amston, Connecticut, in Tolland County. Its published point location is 41.6329, -72.3673.
What county is 06231 in?
06231 lies in Tolland County.
What area code is 06231?
Amston uses area codes 860 and 959, from NANPA's telephone records.
What time zone is 06231 in?
06231 uses America/New_York.
How many people live in 06231?
About 3,648 people live in ZIP code 06231, in 1,295 households, at 233.0 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 06231?
$168,313 a year, against $95,781 across Connecticut.
What ZIP codes are near 06231?
The closest are 06474 (4 mi), 06248 (4.4 mi), 06447 (4.5 mi), 06237 (5.3 mi) and 06415 (5.8 mi).
Is 06231 a PO Box ZIP code?
06231 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “06231 ZIP Code — Amston, Connecticut (Tolland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06231
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/06231.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.