Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/35813

35813

ZIP 35813 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
34.7340, -86.5229

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 35813 — Huntsville, AL

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Local time: —

Where 35813 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 35813
  • 🔢 Type 35813 into a pocket calculator and turn it upside down: EIBSE — not quite a word, sorry.
  • ➕ As a number, 35,813 = 59 × 607. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1000101111100101
  • 🏠 Its numerical neighbours: 35812 (Huntsville, AL, 0 mi away) and 35814 (Huntsville, AL, 0 mi away).
  • 🔄 Backwards, 35813 becomes 31853, which is not a ZIP code at all.
  • 👥 21 other ZIP codes are made of exactly the same digits (13835, 15338, 18335, 18353, 33158, 33185, …). The farthest-flung twin is 83531 in Fenn, ID, 1,734 miles away.
  • 🧭 Farther south than 75% of all ZIP codes, and farther east than 52%.
  • 🎯750 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 35813 and you would come out at 34.73°S, 93.48°E — 1,303 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 35813 today
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🌋 Shake report
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Source: USGS.

Land area

ZIP codes near 35813

ZIPCityDistance
35807 Huntsville, AL 0.0 mi
35809 Huntsville, AL 0.0 mi
35812 Huntsville, AL 0.0 mi
35814 Huntsville, AL 0.0 mi
35815 Huntsville, AL 0.0 mi
35894 Huntsville, AL 0.0 mi
35897 Huntsville, AL 0.0 mi
35898 Huntsville, AL 0.0 mi
35801 Huntsville, AL 2.5 mi
35741 Brownsboro, AL 3.4 mi

Find every ZIP code within 10 miles of 35813 →

Questions about this ZIP code

Where is ZIP code 35813?

35813 is in Huntsville, Alabama, in Madison County, part of the Huntsville, AL metropolitan area. Its published point location is 34.7340, -86.5229.

What county is 35813 in?

35813 lies in Madison County.

What area code is 35813?

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

What time zone is 35813 in?

35813 uses America/Chicago.

What ZIP codes are near 35813?

The closest are 35807 (0 mi), 35809 (0 mi), 35812 (0 mi), 35814 (0 mi) and 35815 (0 mi).

Is 35813 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. “35813 ZIP Code — Huntsville, Alabama (Madison County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/35813

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/35813.json

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