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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/35804

35804

ZIP 35804 is in Huntsville, Alabama, in Madison County; area codes 256 and 938; Central time. Huntsville has 24 ZIP codes in all.

Type
No street area
Time zone
America/Chicago
County
Madison
Metro area
Huntsville, AL
Coordinates
34.7284, -86.5853

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 35801, whose figures describe that area — not this ZIP code.

☼ Live from 35804 — Huntsville, AL

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Where 35804 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 35804
  • 🔢 Type 35804 into a pocket calculator and turn it upside down: hOBSE — not quite a word, sorry.
  • ➕ As a number, 35,804 = 2 × 2 × 8951. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000101111011100
  • 🏠 Its numerical neighbours: 35803 (Huntsville, AL, 12 mi away) and 35805 (Huntsville, AL, 3 mi away).
  • 🔄 Backwards, 35804 becomes 40853, which is not a ZIP code at all.
  • 👥 58 other ZIP codes are made of exactly the same digits (03458, 03584, 03845, 03854, 04358, 04538, …). The farthest-flung twin is 83540 in Lapwai, ID, 1,762 miles away.
  • 🧭 Farther south than 75% of all ZIP codes, and farther east than 52%.
  • 🎯747 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 35804 and you would come out at 34.73°S, 93.41°E — 1,307 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 29m of daylight. Shortest: 9h 49m.
🌙 The sky over 35804 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments29This ZIP29
Employees256This ZIP256
Annual payroll$17,653,000This ZIP$17,653,000

Land area

ZIP codes near 35804

ZIPCityDistance
35893 Huntsville, AL 0.1 mi
35895 Huntsville, AL 0.1 mi
35801 Huntsville, AL 1.2 mi
35805 Huntsville, AL 2.5 mi
35816 Huntsville, AL 2.7 mi
35899 Huntsville, AL 3.4 mi
35807 Huntsville, AL 3.6 mi
35809 Huntsville, AL 3.6 mi
35812 Huntsville, AL 3.6 mi
35813 Huntsville, AL 3.6 mi

Find every ZIP code within 10 miles of 35804 →

Questions about this ZIP code

Where is ZIP code 35804?

35804 is in Huntsville, Alabama, in Madison County, part of the Huntsville, AL metropolitan area. Its published point location is 34.7284, -86.5853.

What county is 35804 in?

35804 lies in Madison County.

What area code is 35804?

Huntsville uses area codes 256 and 938, from NANPA's telephone records.

What time zone is 35804 in?

35804 uses America/Chicago.

What ZIP codes are near 35804?

The closest are 35893 (0.1 mi), 35895 (0.1 mi), 35801 (1.2 mi), 35805 (2.5 mi) and 35816 (2.7 mi).

Is 35804 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.

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Cite this page

zipcodes.pro. “35804 ZIP Code — Huntsville, Alabama (Madison County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/35804

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/35804.json

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