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Where 06855 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 06855 into a pocket calculator and turn it upside down: SSBgO — not quite a word, sorry.
- ➕ As a number, 6,855 = 3 × 5 × 457. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1101011000111 - 🏠 Its numerical neighbours: 06854 (Norwalk, CT, 2 mi away) and 06856 (Norwalk, CT, 3 mi away).
- 🔄 Backwards, 06855 becomes 55860, which is not a ZIP code at all.
- 👥 27 other ZIP codes are made of exactly the same digits (05658, 08556, 50568, 50586, 50658, 55068, …). The farthest-flung twin is 85065 in Phoenix, AZ, 2,173 miles away.
- 🧭 Farther north than 67% of all ZIP codes, and farther east than 92%.
- 🎯1,323 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 06855 and you would come out at 41.07°S, 106.61°E — 812 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
- 📏 At 2.5 square miles of land, 06855 is bigger than 13% of ZIP codes — room for about 1.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 9,351This ZIP9,351 |
|---|---|
| Households | 3,516This ZIP3,516 |
| Housing units | 3,682This ZIP3,682 |
| Median age | 39.6This ZIP39.6Connecticut41.1US 38.9 |
| Median household income | $106,439This ZIP$106,439Connecticut$95,781US $80,734 |
| Median home value | $511,200This ZIP$511,200Connecticut$366,900US $332,700 |
| Median gross rent | $1,919This ZIP$1,919Connecticut$1,488US $1,413 |
| Bachelor's degree or higher | 41.1%This ZIP41.1% |
| Mean commute | 24.2 minThis ZIP24.2 min |
| Population density | 3,785.8 / sq miThis ZIP3,785.8 / sq mi |
Business and tax activity
| Business establishments | 265This ZIP265 |
|---|---|
| Employees | 3,176This ZIP3,176 |
| Annual payroll | $273,089,000This ZIP$273,089,000 |
| Tax returns filed | 4,490This ZIP4,490 |
| Total adjusted gross income | $554,218,000This ZIP$554,218,000 |
Land area
| Land area | 2.47 sq miThis ZIP2.47 sq mi |
|---|---|
| Water area | 7.65 sq miThis ZIP7.65 sq mi |
Other place names in 06855
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 06855
| ZIP | City | Distance |
|---|---|---|
06854 | Norwalk, CT | 2.4 mi |
06853 | Norwalk, CT | 2.5 mi |
06858 | Norwalk, CT | 3.0 mi |
06856 | Norwalk, CT | 3.2 mi |
06851 | Norwalk, CT | 4.6 mi |
06820 | Darien, CT | 4.7 mi |
06850 | Norwalk, CT | 4.8 mi |
06881 | Westport, CT | 5.1 mi |
06838 | Greens Farms, CT | 5.1 mi |
06889 | Westport, CT | 5.3 mi |
Find every ZIP code within 10 miles of 06855 →
Questions about this ZIP code
Where is ZIP code 06855?
06855 is in Norwalk, Connecticut, in Fairfield County. Its published point location is 41.0717, -73.3900.
What county is 06855 in?
06855 lies in Fairfield County.
What area code is 06855?
Norwalk uses area codes 203 and 475, from NANPA's telephone records.
What time zone is 06855 in?
06855 uses America/New_York.
How many people live in 06855?
About 9,351 people live in ZIP code 06855, in 3,516 households, at 3,785.8 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 06855?
$106,439 a year, against $95,781 across Connecticut.
What ZIP codes are near 06855?
The closest are 06854 (2.4 mi), 06853 (2.5 mi), 06858 (3 mi), 06856 (3.2 mi) and 06851 (4.6 mi).
Is 06855 a PO Box ZIP code?
06855 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “06855 ZIP Code — Norwalk, Connecticut (Fairfield County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06855
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/06855.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.