Weather right now
Asking the National Weather Service…
Where 06438 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 06438 into a pocket calculator and turn it upside down: BEhgO — not quite a word, sorry.
- ➕ As a number, 6,438 = 2 × 3 × 29 × 37. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100100110 - 🏠 Its numerical neighbours: 06437 (Guilford, CT, 13 mi away) and 06439 (Hadlyme, CT, 6 mi away).
- 🔄 Backwards, 06438 becomes 83460 — and that is a real ZIP code: Rexburg, ID, 1,984 miles away.
- 👥 60 other ZIP codes are made of exactly the same digits (03468, 03846, 03864, 04683, 04863, 06384, …). The farthest-flung twin is 86403 in Lake Havasu City, AZ, 2,306 miles away.
- 🧭 Farther north than 70% of all ZIP codes, and farther east than 94%.
- 🎯1,366 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 06438 and you would come out at 41.45°S, 107.49°E — 803 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
- 📏 At 14.0 square miles of land, 06438 is bigger than 32% of ZIP codes — room for about 11 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 2,887This ZIP2,887 |
|---|---|
| Households | 1,036This ZIP1,036 |
| Housing units | 1,160This ZIP1,160 |
| Median age | 46.2This ZIP46.2Connecticut41.1US 38.9 |
| Median household income | $121,429This ZIP$121,429Connecticut$95,781US $80,734 |
| Median home value | $362,500This ZIP$362,500Connecticut$366,900US $332,700 |
| Median gross rent | $1,662This ZIP$1,662Connecticut$1,488US $1,413 |
| Bachelor's degree or higher | 53.8%This ZIP53.8% |
| Mean commute | 30.0 minThis ZIP30.0 min |
| Population density | 206.9 / sq miThis ZIP206.9 / sq mi |
Business and tax activity
| Business establishments | 58This ZIP58 |
|---|---|
| Employees | 429This ZIP429 |
| Annual payroll | $16,300,000This ZIP$16,300,000 |
| Tax returns filed | 1,400This ZIP1,400 |
| Total adjusted gross income | $178,233,000This ZIP$178,233,000 |
Land area
| Land area | 13.95 sq miThis ZIP13.95 sq mi |
|---|---|
| Water area | 0.94 sq miThis ZIP0.94 sq mi |
Other place names in 06438
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 06438
| ZIP | City | Distance |
|---|---|---|
06412 | Chester, CT | 2.9 mi |
06441 | Higganum, CT | 3.9 mi |
06469 | Moodus, CT | 5.0 mi |
06417 | Deep River, CT | 6.0 mi |
06423 | East Haddam, CT | 6.2 mi |
06439 | Hadlyme, CT | 6.2 mi |
06419 | Killingworth, CT | 6.4 mi |
06456 | Middle Haddam, CT | 6.5 mi |
06424 | East Hampton, CT | 7.6 mi |
06409 | Centerbrook, CT | 8.2 mi |
Find every ZIP code within 10 miles of 06438 →
Questions about this ZIP code
Where is ZIP code 06438?
06438 is in Haddam, Connecticut, in Middlesex County. Its published point location is 41.4508, -72.5099.
What county is 06438 in?
06438 lies in Middlesex County.
What area code is 06438?
Haddam uses area codes 860 and 959, from NANPA's telephone records.
What time zone is 06438 in?
06438 uses America/New_York.
How many people live in 06438?
About 2,887 people live in ZIP code 06438, in 1,036 households, at 206.9 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 06438?
$121,429 a year, against $95,781 across Connecticut.
What ZIP codes are near 06438?
The closest are 06412 (2.9 mi), 06441 (3.9 mi), 06469 (5 mi), 06417 (6 mi) and 06423 (6.2 mi).
Is 06438 a PO Box ZIP code?
06438 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “06438 ZIP Code — Haddam, Connecticut (Middlesex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06438
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/06438.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.