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Where 06443 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 06443 into a pocket calculator and turn it upside down: EhhgO — not quite a word, sorry.
- ➕ As a number, 6,443 = 17 × 379. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100101011 - 🏠 Its numerical neighbours: 06442 (Ivoryton, CT, 10 mi away) and 06444 (Marion, CT, 22 mi away).
- 🔄 Backwards, 06443 becomes 34460 — and that is a real ZIP code: Lecanto, FL, 1,026 miles away.
- 👥 31 other ZIP codes are made of exactly the same digits (03446, 03464, 04346, 04364, 04463, 04634, …). The farthest-flung twin is 34046 in APO AA, a military post office, 2,077 miles away.
- 🧭 Farther north than 70% of all ZIP codes, and farther east than 94%.
- 🎯1,361 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 06443 and you would come out at 41.34°S, 107.38°E — 801 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
- 📏 At 36.2 square miles of land, 06443 is bigger than 50% of ZIP codes — room for about 27 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 17,657This ZIP17,657 |
|---|---|
| Households | 7,020This ZIP7,020 |
| Housing units | 7,963This ZIP7,963 |
| Median age | 51.8This ZIP51.8Connecticut41.1US 38.9 |
| Median household income | $168,462This ZIP$168,462Connecticut$95,781US $80,734 |
| Median home value | $584,900This ZIP$584,900Connecticut$366,900US $332,700 |
| Median gross rent | $2,025This ZIP$2,025Connecticut$1,488US $1,413 |
| Bachelor's degree or higher | 72.5%This ZIP72.5% |
| Mean commute | 29.8 minThis ZIP29.8 min |
| Population density | 488.2 / sq miThis ZIP488.2 / sq mi |
Business and tax activity
| Business establishments | 517This ZIP517 |
|---|---|
| Employees | 4,682This ZIP4,682 |
| Annual payroll | $275,789,000This ZIP$275,789,000 |
| Tax returns filed | 9,150This ZIP9,150 |
| Total adjusted gross income | $2,175,797,000This ZIP$2,175,797,000 |
Land area
| Land area | 36.17 sq miThis ZIP36.17 sq mi |
|---|---|
| Water area | 1.65 sq miThis ZIP1.65 sq mi |
Other place names in 06443
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 06443
| ZIP | City | Distance |
|---|---|---|
06419 | Killingworth, CT | 3.2 mi |
06437 | Guilford, CT | 3.9 mi |
06413 | Clinton, CT | 6.0 mi |
06471 | North Branford, CT | 7.7 mi |
06417 | Deep River, CT | 7.8 mi |
06498 | Westbrook, CT | 8.1 mi |
06472 | Northford, CT | 8.4 mi |
06412 | Chester, CT | 8.5 mi |
06441 | Higganum, CT | 8.6 mi |
06422 | Durham, CT | 9.1 mi |
Find every ZIP code within 10 miles of 06443 →
Questions about this ZIP code
Where is ZIP code 06443?
06443 is in Madison, Connecticut, in New Haven County. Its published point location is 41.3445, -72.6245.
What county is 06443 in?
06443 lies in New Haven County.
What area code is 06443?
Madison uses area codes 203 and 475, from NANPA's telephone records.
What time zone is 06443 in?
06443 uses America/New_York.
How many people live in 06443?
About 17,657 people live in ZIP code 06443, in 7,020 households, at 488.2 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 06443?
$168,462 a year, against $95,781 across Connecticut.
What ZIP codes are near 06443?
The closest are 06419 (3.2 mi), 06437 (3.9 mi), 06413 (6 mi), 06471 (7.7 mi) and 06417 (7.8 mi).
Is 06443 a PO Box ZIP code?
06443 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “06443 ZIP Code — Madison, Connecticut (New Haven County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06443
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/06443.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.