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/50518

50518

ZIP 50518 is Barnum, Iowa, in Webster County; area code 515; Central time.

Type
Standard
Time zone
America/Chicago
County
Webster
Metro area
Fort Dodge, IA
Population
365
Coordinates
42.5121, -94.3824
☼ Live from 50518 — Barnum, IA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 50518 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 50518
  • 🔢 Type 50518 into a pocket calculator and turn it upside down: BISOS — not quite a word, sorry.
  • ➕ As a number, 50,518 = 2 × 13 × 29 × 67. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100010101010110
  • 🏠 Its numerical neighbours: 50517 (Bancroft, IA, 55 mi away) and 50519 (Bode, IA, 28 mi away).
  • 🔄 Backwards, 50518 becomes 81505 — and that is a real ZIP code: Grand Junction, CO, 775 miles away.
  • 👥 28 other ZIP codes are made of exactly the same digits (01585, 05158, 05851, 08515, 08551, 15085, …). The farthest-flung twin is 85015 in Phoenix, AZ, 1,144 miles away.
  • 🧭 Farther north than 79% of all ZIP codes, and farther west than 67%.
  • 🎯286 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 50518 and you would come out at 42.51°S, 85.62°E — 875 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 18m of daylight. Shortest: 9h 03m.
  • 📏 At 28.9 square miles of land, 50518 is bigger than 45% of ZIP codes — room for about 22 Central Parks.
🌙 The sky over 50518 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population365This ZIP365
Households132This ZIP132
Housing units144This ZIP144
Median age28.3This ZIP28.3Iowa38.6US 38.9
Median household income$97,857This ZIP$97,857Iowa$75,059US $80,734
Median home value$158,300This ZIP$158,300Iowa$208,000US $332,700
Bachelor's degree or higher3.1%This ZIP3.1%
Mean commute18.5 minThis ZIP18.5 min
Population density12.6 / sq miThis ZIP12.6 / sq mi

Business and tax activity

Business establishments5This ZIP5
Employees7This ZIP7
Annual payroll$127,000This ZIP$127,000
Tax returns filed120This ZIP120
Total adjusted gross income$11,356,000This ZIP$11,356,000

Land area

Land area28.87 sq miThis ZIP28.87 sq mi
Water area0.00 sq mi

Other place names in 50518

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

ZIP codes near 50518

ZIPCityDistance
50552 Knierim, IA 5.5 mi
50524 Clare, IA 5.8 mi
50566 Moorland, IA 5.9 mi
50586 Somers, IA 7.3 mi
50563 Manson, IA 7.3 mi
50501 Fort Dodge, IA 10.0 mi
50523 Callender, IA 11.0 mi
50571 Palmer, IA 13.2 mi
50541 Gilmore City, IA 14.1 mi
50516 Badger, IA 14.7 mi

Find every ZIP code within 10 miles of 50518 →

Questions about this ZIP code

Where is ZIP code 50518?

50518 is in Barnum, Iowa, in Webster County, part of the Fort Dodge, IA micropolitan area. Its published point location is 42.5121, -94.3824.

What county is 50518 in?

50518 lies in Webster County.

What area code is 50518?

Barnum uses area code 515, from NANPA's telephone records.

What time zone is 50518 in?

50518 uses America/Chicago.

How many people live in 50518?

About 365 people live in ZIP code 50518, in 132 households, at 12.6 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 50518?

$97,857 a year, against $75,059 across Iowa.

What ZIP codes are near 50518?

The closest are 50552 (5.5 mi), 50524 (5.8 mi), 50566 (5.9 mi), 50586 (7.3 mi) and 50563 (7.3 mi).

Is 50518 a PO Box ZIP code?

50518 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “50518 ZIP Code — Barnum, Iowa (Webster County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/50518

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/50518.json

Underlying data is public domain or openly licensed — sources, vintages and licences.