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ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — ZIP/06404

06404

ZIP 06404 is Botsford, Connecticut, in Fairfield County; area codes 475 and 203; Eastern time.

Type
No street area
Time zone
America/New_York
County
Fairfield
Metro area
none
Coordinates
41.3665, -73.2571

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 06470, whose figures describe that area — not this ZIP code.

☼ Live from 06404 — Botsford, CT

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Where 06404 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 06404
  • 🔢 Type 06404 into a pocket calculator and turn it upside down: hOhgO — not quite a word, sorry.
  • ➕ As a number, 6,404 = 2 × 2 × 1601. Its digits add up to 14, a total 1,416 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100100000100
  • 🏠 Its numerical neighbours: 06403 (Beacon Falls, CT, 12 mi away) and 06405 (Branford, CT, 25 mi away).
  • 🔄 Backwards, 06404 becomes 40460 — and that is a real ZIP code: Orlando, KY, 647 miles away.
  • 👥 15 other ZIP codes are made of exactly the same digits (04046, 04064, 04406, 04460, 04640, 06440, …). The farthest-flung twin is 64040 in Holden, MO, 1,109 miles away.
  • 🧭 Farther north than 70% of all ZIP codes, and farther east than 92%.
  • 🎯1,328 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 06404 and you would come out at 41.37°S, 106.74°E — 823 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 10m of daylight. Shortest: 9h 11m.
🌙 The sky over 06404 today
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Source: USGS.

Land area

ZIP codes near 06404

ZIPCityDistance
06468 Monroe, CT 2.6 mi
06482 Sandy Hook, CT 3.0 mi
06470 Newtown, CT 3.7 mi
06491 Stevenson, CT 3.9 mi
06876 Redding Ridge, CT 6.0 mi
06440 Hawleyville, CT 6.6 mi
06814 Danbury, CT 6.8 mi
06816 Danbury, CT 6.8 mi
06852 Norwalk, CT 6.8 mi
06857 Norwalk, CT 6.8 mi

Find every ZIP code within 10 miles of 06404 →

Questions about this ZIP code

Where is ZIP code 06404?

06404 is in Botsford, Connecticut, in Fairfield County. Its published point location is 41.3665, -73.2571.

What county is 06404 in?

06404 lies in Fairfield County.

What area code is 06404?

Botsford uses area codes 475 and 203, from NANPA's telephone records.

What time zone is 06404 in?

06404 uses America/New_York.

What ZIP codes are near 06404?

The closest are 06468 (2.6 mi), 06482 (3 mi), 06470 (3.7 mi), 06491 (3.9 mi) and 06876 (6 mi).

Is 06404 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “06404 ZIP Code — Botsford, Connecticut (Fairfield County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/06404

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/06404.json

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