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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/83404

83404

ZIP 83404 is in Idaho Falls, Idaho, in Bonneville County; area codes 208 and 986; Mountain time. Idaho Falls has 7 ZIP codes in all.

Type
Standard
Time zone
America/Boise
County
Bonneville
Metro area
Idaho Falls, ID
Population
27,500
Coordinates
43.4268, -112.0155
☼ Live from 83404 — Idaho Falls, ID

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Where 83404 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.

★ Weird and wonderful facts about 83404
  • 🔢 Type 83404 into a pocket calculator and turn it upside down: hOhEB — not quite a word, sorry.
  • ➕ As a number, 83,404 = 2 × 2 × 29 × 719. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100010111001100
  • 🏠 Its numerical neighbours: 83403 (Idaho Falls, ID, 3 mi away) and 83405 (Idaho Falls, ID, 3 mi away).
  • 🔄 Backwards, 83404 becomes 40438, which is not a ZIP code at all.
  • 👥 32 other ZIP codes are made of exactly the same digits (03448, 03844, 04348, 04438, 04843, 08344, …). The farthest-flung twin is 04438 in Frankfort, ME, 2,117 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther west than 87%.
  • 🎯736 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 83404 and you would come out at 43.43°S, 67.98°E — 423 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 25m of daylight. Shortest: 8h 57m.
  • 📏 At 25.0 square miles of land, 83404 is bigger than 42% of ZIP codes — room for about 19 Central Parks.
🌙 The sky over 83404 today
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🌋 Shake report
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Source: USGS.

People and housing

Population27,500This ZIP27,500
Households9,386This ZIP9,386
Housing units9,867This ZIP9,867
Median age36.7This ZIP36.7Idaho37.3US 38.9
Median household income$82,103This ZIP$82,103Idaho$77,800US $80,734
Median home value$394,300This ZIP$394,300Idaho$418,600US $332,700
Median gross rent$1,070This ZIP$1,070Idaho$1,238US $1,413
Bachelor's degree or higher37.1%This ZIP37.1%
Mean commute17.4 minThis ZIP17.4 min
Population density1,100.7 / sq miThis ZIP1,100.7 / sq mi

Business and tax activity

Business establishments1,013This ZIP1,013
Employees12,656This ZIP12,656
Annual payroll$614,802,000This ZIP$614,802,000
Tax returns filed11,710This ZIP11,710
Total adjusted gross income$1,130,748,000This ZIP$1,130,748,000

Land area

Land area24.98 sq miThis ZIP24.98 sq mi
Water area0.04 sq miThis ZIP0.04 sq mi

Other place names in 83404

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 83404

ZIPCityDistance
83403 Idaho Falls, ID 2.9 mi
83405 Idaho Falls, ID 2.9 mi
83415 Idaho Falls, ID 2.9 mi
83406 Idaho Falls, ID 4.2 mi
83274 Shelley, ID 6.8 mi
83401 Idaho Falls, ID 10.6 mi
83218 Basalt, ID 10.6 mi
83402 Idaho Falls, ID 10.8 mi
83454 Ucon, ID 12.0 mi
83427 Iona, ID 14.0 mi

Find every ZIP code within 10 miles of 83404 →

Questions about this ZIP code

Where is ZIP code 83404?

83404 is in Idaho Falls, Idaho, in Bonneville County, part of the Idaho Falls, ID metropolitan area. Its published point location is 43.4268, -112.0155.

What county is 83404 in?

83404 lies in Bonneville County.

What area code is 83404?

Idaho Falls uses area codes 208 and 986, from NANPA's telephone records.

What time zone is 83404 in?

83404 uses America/Boise.

How many people live in 83404?

About 27,500 people live in ZIP code 83404, in 9,386 households, at 1,100.7 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 83404?

$82,103 a year, against $77,800 across Idaho.

What ZIP codes are near 83404?

The closest are 83403 (2.9 mi), 83405 (2.9 mi), 83415 (2.9 mi), 83406 (4.2 mi) and 83274 (6.8 mi).

Is 83404 a PO Box ZIP code?

83404 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “83404 ZIP Code — Idaho Falls, Idaho (Bonneville County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/83404

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