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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/82434

82434

ZIP 82434 is Otto, Wyoming, in Big Horn County; area code 307; Mountain time.

Type
Standard
Time zone
America/Denver
County
Big Horn
Metro area
none
Population
122
Coordinates
44.3457, -108.2954
☼ Live from 82434 — Otto, WY

Weather right now

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Local time: —

Where 82434 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 82434
  • 🔢 Type 82434 into a pocket calculator and turn it upside down: hEhZB — not quite a word, sorry.
  • ➕ As a number, 82,434 = 2 × 3 × 11 × 1249. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10100001000000010
  • 🏠 Its numerical neighbours: 82433 (Meeteetse, WY, 45 mi away) and 82435 (Powell, WY, 50 mi away).
  • 🔄 Backwards, 82434 becomes 43428, which is not a ZIP code at all.
  • 👥 28 other ZIP codes are made of exactly the same digits (23844, 24348, 24438, 24483, 24834, 24843, …). The farthest-flung twin is 34284 in Venice, FL, 1,862 miles away.
  • 🧭 Farther north than 89% of all ZIP codes, and farther west than 85%.
  • 🎯587 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 82434 and you would come out at 44.35°S, 71.70°E — 353 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 32m of daylight. Shortest: 8h 51m.
  • 📏 At 49.7 square miles of land, 82434 is bigger than 59% of ZIP codes — room for about 38 Central Parks.
🌙 The sky over 82434 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population122This ZIP122
Households54This ZIP54
Housing units83This ZIP83
Median age23.3This ZIP23.3Wyoming39.1US 38.9
Bachelor's degree or higher73.1%This ZIP73.1%
Population density2.5 / sq miThis ZIP2.5 / sq mi

Business and tax activity

Business establishments4This ZIP4
Employees12This ZIP12
Annual payroll$402,000This ZIP$402,000

Land area

Land area49.65 sq miThis ZIP49.65 sq mi
Water area0.25 sq miThis ZIP0.25 sq mi

ZIP codes near 82434

ZIPCityDistance
82410 Basin, WY 6.9 mi
82422 Emblem, WY 11.3 mi
82411 Burlington, WY 11.5 mi
82426 Greybull, WY 17.4 mi
82432 Manderson, WY 23.9 mi
82401 Worland, WY 23.9 mi
82412 Byron, WY 33.2 mi
82428 Hyattville, WY 35.0 mi
82441 Shell, WY 36.6 mi
82431 Lovell, WY 37.0 mi

Find every ZIP code within 10 miles of 82434 →

Questions about this ZIP code

Where is ZIP code 82434?

82434 is in Otto, Wyoming, in Big Horn County. Its published point location is 44.3457, -108.2954.

What county is 82434 in?

82434 lies in Big Horn County.

What area code is 82434?

Otto uses area code 307, from NANPA's telephone records.

What time zone is 82434 in?

82434 uses America/Denver.

How many people live in 82434?

About 122 people live in ZIP code 82434, in 54 households, at 2.5 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 82434?

The closest are 82410 (6.9 mi), 82422 (11.3 mi), 82411 (11.5 mi), 82426 (17.4 mi) and 82432 (23.9 mi).

Is 82434 a PO Box ZIP code?

82434 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “82434 ZIP Code — Otto, Wyoming (Big Horn County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/82434

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