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/70404

70404

ZIP 70404 is in Hammond, Louisiana, in Tangipahoa Parish; area code 985; Central time. Hammond has 4 ZIP codes; the others are 70401, 70402 and 70403.

Type
No street area
Time zone
America/Chicago
County
Tangipahoa
Metro area
Hammond, LA
Coordinates
30.5046, -90.4629

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 70401, whose figures describe that area — not this ZIP code.

☼ Live from 70404 — Hammond, LA

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Where 70404 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 70404
  • 🔢 Type 70404 into a pocket calculator and turn it upside down: hOhOL — not quite a word, sorry.
  • ➕ As a number, 70,404 = 2 × 2 × 3 × 5867. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001001100000100
  • 🏠 Its numerical neighbours: 70403 (Hammond, LA, 2 mi away) and 70420 (Abita Springs, LA, 31 mi away).
  • 🔄 Backwards, 70404 becomes 40407, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (00744, 04047, 04074, 04740, 07044, 07440, …). The farthest-flung twin is 00744 in Rio Blanco, PR, 1,764 miles away.
  • 🧭 Farther south than 91% of all ZIP codes, and farther west than 57%.
  • 🎯790 miles southeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 70404 and you would come out at 30.50°S, 89.54°E — 1,351 miles from West Island, Cocos Islands, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 07m of daylight. Shortest: 10h 10m.
🌙 The sky over 70404 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments24This ZIP24
Employees150This ZIP150
Annual payroll$10,702,000This ZIP$10,702,000

Land area

ZIP codes near 70404

ZIPCityDistance
70402 Hammond, LA 0.9 mi
70403 Hammond, LA 2.0 mi
70401 Hammond, LA 2.0 mi
70451 Natalbany, LA 3.3 mi
70466 Tickfaw, LA 5.0 mi
70711 Albany, LA 7.8 mi
70455 Robert, LA 8.5 mi
70443 Independence, LA 9.9 mi
70446 Loranger, LA 10.9 mi
70462 Springfield, LA 11.3 mi

Find every ZIP code within 10 miles of 70404 →

Questions about this ZIP code

Where is ZIP code 70404?

70404 is in Hammond, Louisiana, in Tangipahoa Parish, part of the Hammond, LA metropolitan area. Its published point location is 30.5046, -90.4629.

What county is 70404 in?

70404 lies in Tangipahoa Parish.

What area code is 70404?

Hammond uses area code 985, from NANPA's telephone records.

What time zone is 70404 in?

70404 uses America/Chicago.

What ZIP codes are near 70404?

The closest are 70402 (0.9 mi), 70403 (2 mi), 70401 (2 mi), 70451 (3.3 mi) and 70466 (5 mi).

Is 70404 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. “70404 ZIP Code — Hammond, Louisiana (Tangipahoa Parish).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/70404

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/70404.json

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