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Where 06405 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 06405 into a pocket calculator and turn it upside down: SOhgO — not quite a word, sorry.
- ➕ As a number, 6,405 = 3 × 5 × 7 × 61. Its digits add up to 15, a total 1,657 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100000101 - 🏠 Its numerical neighbours: 06404 (Botsford, CT, 25 mi away) and 06408 (Cheshire, CT, 9 mi away).
- 🔄 Backwards, 06405 becomes 50460 — and that is a real ZIP code: Orchard, IA, 1,024 miles away.
- 👥 27 other ZIP codes are made of exactly the same digits (04056, 04605, 04650, 05046, 05406, 05460, …). The farthest-flung twin is 64050 in Independence, MO, 1,148 miles away.
- 🧭 Farther north than 69% of all ZIP codes, and farther east than 93%.
- 🎯1,353 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 06405 and you would come out at 41.28°S, 107.21°E — 802 miles from Perth, Australia, the nearest big city to that spot.
- ☀Longest day of the year: 15h 09m of daylight. Shortest: 9h 11m.
- 📏 At 21.6 square miles of land, 06405 is bigger than 39% of ZIP codes — room for about 16 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 28,217This ZIP28,217 |
|---|---|
| Households | 13,178This ZIP13,178 |
| Housing units | 14,254This ZIP14,254 |
| Median age | 54.2This ZIP54.2Connecticut41.1US 38.9 |
| Median household income | $105,225This ZIP$105,225Connecticut$95,781US $80,734 |
| Median home value | $401,200This ZIP$401,200Connecticut$366,900US $332,700 |
| Median gross rent | $1,565This ZIP$1,565Connecticut$1,488US $1,413 |
| Bachelor's degree or higher | 51.5%This ZIP51.5% |
| Mean commute | 23.5 minThis ZIP23.5 min |
| Population density | 1,305.1 / sq miThis ZIP1,305.1 / sq mi |
Business and tax activity
| Business establishments | 964This ZIP964 |
|---|---|
| Employees | 12,979This ZIP12,979 |
| Annual payroll | $807,203,000This ZIP$807,203,000 |
| Tax returns filed | 15,720This ZIP15,720 |
| Total adjusted gross income | $1,954,537,000This ZIP$1,954,537,000 |
Land area
| Land area | 21.62 sq miThis ZIP21.62 sq mi |
|---|---|
| Water area | 7.35 sq miThis ZIP7.35 sq mi |
Other place names in 06405
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 06405
| ZIP | City | Distance |
|---|---|---|
06471 | North Branford, CT | 3.8 mi |
06512 | New Haven, CT | 4.6 mi |
06513 | New Haven, CT | 5.1 mi |
06437 | Guilford, CT | 5.9 mi |
06540 | New Haven, CT | 7.0 mi |
06510 | New Haven, CT | 7.5 mi |
06501 | New Haven, CT | 7.6 mi |
06502 | New Haven, CT | 7.6 mi |
06503 | New Haven, CT | 7.6 mi |
06505 | New Haven, CT | 7.6 mi |
Find every ZIP code within 10 miles of 06405 →
Questions about this ZIP code
Where is ZIP code 06405?
06405 is in Branford, Connecticut, in New Haven County. Its published point location is 41.2799, -72.7859.
What county is 06405 in?
06405 lies in New Haven County.
What area code is 06405?
Branford uses area codes 203 and 475, from NANPA's telephone records.
What time zone is 06405 in?
06405 uses America/New_York.
How many people live in 06405?
About 28,217 people live in ZIP code 06405, in 13,178 households, at 1,305.1 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 06405?
$105,225 a year, against $95,781 across Connecticut.
What ZIP codes are near 06405?
The closest are 06471 (3.8 mi), 06512 (4.6 mi), 06513 (5.1 mi), 06437 (5.9 mi) and 06540 (7 mi).
Is 06405 a PO Box ZIP code?
06405 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “06405 ZIP Code — Branford, Connecticut (New Haven County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06405
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/06405.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.