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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/50434

50434

ZIP 50434 is Fertile, Iowa, mostly in Worth County; area code 641; Central time.

Type
Standard
Time zone
America/Chicago
County
Worth +1 more
Metro area
Mason City, IA
Population
396
Coordinates
43.2575, -93.4486
☼ Live from 50434 — Fertile, IA

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Local time: —

Where 50434 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 50434
  • 🔢 Type 50434 into a pocket calculator and turn it upside down: hEhOS — not quite a word, sorry.
  • ➕ As a number, 50,434 = 2 × 151 × 167. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010100000010
  • 🏠 Its numerical neighbours: 50433 (Dougherty, IA, 30 mi away) and 50435 (Floyd, IA, 35 mi away).
  • 🔄 Backwards, 50434 becomes 43405 — and that is a real ZIP code: Toledo, OH, 516 miles away.
  • 👥 36 other ZIP codes are made of exactly the same digits (03445, 04345, 04354, 04435, 04453, 04543, …). The farthest-flung twin is 34054 in FPO AA, a military post office, 2,589 miles away.
  • 🧭 Farther north than 84% of all ZIP codes, and farther west than 64%.
  • 🎯356 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50434 and you would come out at 43.26°S, 86.55°E — 883 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 24m of daylight. Shortest: 8h 58m.
  • 📏 At 10.1 square miles of land, 50434 is bigger than 27% of ZIP codes — room for about 7.6 Central Parks.
🌙 The sky over 50434 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population396This ZIP396
Households248This ZIP248
Housing units279This ZIP279
Median age57.8This ZIP57.8Iowa38.6US 38.9
Median gross rent$858This ZIP$858Iowa$972US $1,413
Bachelor's degree or higher18.4%This ZIP18.4%
Mean commute28.3 minThis ZIP28.3 min
Population density39.4 / sq miThis ZIP39.4 / sq mi

Business and tax activity

Business establishments10This ZIP10
Employees48This ZIP48
Annual payroll$2,514,000This ZIP$2,514,000
Tax returns filed200This ZIP200
Total adjusted gross income$12,835,000This ZIP$12,835,000

Land area

Land area10.06 sq miThis ZIP10.06 sq mi
Water area0.09 sq miThis ZIP0.09 sq mi

Counties 50434 spans

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

CountyShare of this ZIP
Worth County 59.6%
Cerro Gordo County 40.4%

Other place names in 50434

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

ZIP codes near 50434

ZIPCityDistance
50444 Hanlontown, IA 4.3 mi
50446 Joice, IA 5.3 mi
50428 Clear Lake, IA 8.6 mi
50482 Ventura, IA 9.3 mi
50450 Lake Mills, IA 11.9 mi
50456 Manly, IA 11.9 mi
50436 Forest City, IA 11.9 mi
50448 Kensett, IA 12.3 mi
50453 Leland, IA 12.4 mi
50438 Garner, IA 13.2 mi

Find every ZIP code within 10 miles of 50434 →

Questions about this ZIP code

Where is ZIP code 50434?

50434 is in Fertile, Iowa, in Worth County, part of the Mason City, IA micropolitan area. Its published point location is 43.2575, -93.4486.

What county is 50434 in?

50434 spans 2 counties: Worth County and Cerro Gordo County. Most of it falls in Worth 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 50434?

Fertile uses area code 641, from NANPA's telephone records.

What time zone is 50434 in?

50434 uses America/Chicago.

How many people live in 50434?

About 396 people live in ZIP code 50434, in 248 households, at 39.4 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 50434?

The closest are 50444 (4.3 mi), 50446 (5.3 mi), 50428 (8.6 mi), 50482 (9.3 mi) and 50450 (11.9 mi).

Is 50434 a PO Box ZIP code?

50434 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “50434 ZIP Code — Fertile, Iowa (Worth County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50434

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