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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/83401

83401

ZIP 83401 is in Idaho Falls, Idaho, mostly 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 +1 more
Metro area
Idaho Falls, ID
Population
47,972
Coordinates
43.5424, -111.8779
☼ Live from 83401 — Idaho Falls, ID

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Local time: —

Where 83401 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 83401
  • 🔢 Type 83401 into a pocket calculator and turn it upside down: IOhEB — not quite a word, sorry.
  • ➕ 83401 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100010111001001
  • 🏠 Its numerical neighbours: 83355 (Wendell, ID, 153 mi away) and 83402 (Idaho Falls, ID, 15 mi away).
  • 🔄 Backwards, 83401 becomes 10438, which is not a ZIP code at all.
  • 👥 54 other ZIP codes are made of exactly the same digits (01438, 01834, 01843, 03814, 03841, 08314, …). The farthest-flung twin is 34108 in Naples, FL, 2,063 miles away.
  • 🧭 Farther north than 85% of all ZIP codes, and farther west than 87%.
  • 🎯732 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 83401 and you would come out at 43.54°S, 68.12°E — 413 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 26m of daylight. Shortest: 8h 56m.
  • 📏 At 197.3 square miles of land, 83401 is bigger than 91% of ZIP codes — room for about 150 Central Parks.
🌙 The sky over 83401 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population47,972This ZIP47,972
Households15,714This ZIP15,714
Housing units16,447This ZIP16,447
Median age31.9This ZIP31.9Idaho37.3US 38.9
Median household income$78,497This ZIP$78,497Idaho$77,800US $80,734
Median home value$358,700This ZIP$358,700Idaho$418,600US $332,700
Median gross rent$1,176This ZIP$1,176Idaho$1,238US $1,413
Bachelor's degree or higher28.9%This ZIP28.9%
Mean commute22.4 minThis ZIP22.4 min
Population density243.1 / sq miThis ZIP243.1 / sq mi

Business and tax activity

Business establishments1,373This ZIP1,373
Employees13,590This ZIP13,590
Annual payroll$634,676,000This ZIP$634,676,000
Tax returns filed20,180This ZIP20,180
Total adjusted gross income$1,390,934,000This ZIP$1,390,934,000

Land area

Land area197.31 sq miThis ZIP197.31 sq mi
Water area2.73 sq miThis ZIP2.73 sq mi

Counties 83401 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Bonneville County 99.8%
Jefferson County 0.2%

Other place names in 83401

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

ZIP codes near 83401

ZIPCityDistance
83454 Ucon, ID 5.3 mi
83442 Rigby, ID 6.4 mi
83406 Idaho Falls, ID 7.7 mi
83403 Idaho Falls, ID 9.4 mi
83405 Idaho Falls, ID 9.4 mi
83415 Idaho Falls, ID 9.4 mi
83404 Idaho Falls, ID 10.6 mi
83431 Lewisville, ID 12.7 mi
83427 Iona, ID 14.2 mi
83402 Idaho Falls, ID 15.3 mi

Find every ZIP code within 10 miles of 83401 →

Questions about this ZIP code

Where is ZIP code 83401?

83401 is in Idaho Falls, Idaho, in Bonneville County, part of the Idaho Falls, ID metropolitan area. Its published point location is 43.5424, -111.8779.

What county is 83401 in?

83401 spans 2 counties: Bonneville County and Jefferson County. Most of it falls in Bonneville County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 83401?

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

What time zone is 83401 in?

83401 uses America/Boise.

How many people live in 83401?

About 47,972 people live in ZIP code 83401, in 15,714 households, at 243.1 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 83401?

$78,497 a year, against $77,800 across Idaho.

What ZIP codes are near 83401?

The closest are 83454 (5.3 mi), 83442 (6.4 mi), 83406 (7.7 mi), 83403 (9.4 mi) and 83405 (9.4 mi).

Is 83401 a PO Box ZIP code?

83401 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “83401 ZIP Code — Idaho Falls, Idaho (Bonneville County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/83401

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