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/52356

52356

ZIP 52356 is Wellman, Iowa, mostly in Washington County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Washington +3 more
Metro area
Iowa City, IA
Population
2,664
Coordinates
41.4749, -91.8477
☼ Live from 52356 — Wellman, IA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 52356 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 52356
  • 🔢 Type 52356 into a pocket calculator and turn it upside down: gSEZS — not quite a word, sorry.
  • ➕ As a number, 52,356 = 2 × 2 × 3 × 4363. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110010000100
  • 🏠 Its numerical neighbours: 52355 (Webster, IA, 18 mi away) and 52358 (West Branch, IA, 31 mi away).
  • 🔄 Backwards, 52356 becomes 65325 — and that is a real ZIP code: Cole Camp, MO, 221 miles away.
  • 👥 27 other ZIP codes are made of exactly the same digits (25356, 25365, 25635, 25653, 32565, 32655, …). The farthest-flung twin is 32655 in High Springs, FL, 957 miles away.
  • 🧭 Farther north than 71% of all ZIP codes, and farther west than 61%.
  • 🎯371 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52356 and you would come out at 41.47°S, 88.15°E — 1,022 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 11m of daylight. Shortest: 9h 10m.
  • 📏 At 95.0 square miles of land, 52356 is bigger than 77% of ZIP codes — room for about 72 Central Parks.
🌙 The sky over 52356 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,664This ZIP2,664
Households1,076This ZIP1,076
Housing units1,135This ZIP1,135
Median age40.3This ZIP40.3Iowa38.6US 38.9
Median household income$57,321This ZIP$57,321Iowa$75,059US $80,734
Median home value$227,800This ZIP$227,800Iowa$208,000US $332,700
Median gross rent$837This ZIP$837Iowa$972US $1,413
Bachelor's degree or higher20.9%This ZIP20.9%
Mean commute30.5 minThis ZIP30.5 min
Population density28.0 / sq miThis ZIP28.0 / sq mi

Business and tax activity

Business establishments73This ZIP73
Employees367This ZIP367
Annual payroll$15,177,000This ZIP$15,177,000
Tax returns filed1,210This ZIP1,210
Total adjusted gross income$90,543,000This ZIP$90,543,000

Land area

Land area95.03 sq miThis ZIP95.03 sq mi
Water area0.00 sq mi

Counties 52356 spans

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

CountyShare of this ZIP
Washington County 73.7%
Iowa County 16.8%
Johnson County 8.2%
Keokuk County 1.3%

Other place names in 52356

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

ZIP codes near 52356

ZIPCityDistance
52247 Kalona, IA 7.1 mi
52325 Parnell, IA 8.5 mi
52359 West Chester, IA 8.6 mi
52248 Keota, IA 10.0 mi
52335 South English, IA 10.7 mi
52244 Iowa City, IA 11.7 mi
52231 Harper, IA 13.6 mi
52316 North English, IA 13.7 mi
52327 Riverside, IA 13.7 mi
52353 Washington, IA 14.0 mi

Find every ZIP code within 10 miles of 52356 →

Questions about this ZIP code

Where is ZIP code 52356?

52356 is in Wellman, Iowa, in Washington County, part of the Iowa City, IA metropolitan area. Its published point location is 41.4749, -91.8477.

What county is 52356 in?

52356 spans 4 counties: Washington County, Iowa County, Johnson County and Keokuk County. Most of it falls in Washington 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 52356?

Wellman uses area code 319, from NANPA's telephone records.

What time zone is 52356 in?

52356 uses America/Chicago.

How many people live in 52356?

About 2,664 people live in ZIP code 52356, in 1,076 households, at 28.0 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 52356?

$57,321 a year, against $75,059 across Iowa.

What ZIP codes are near 52356?

The closest are 52247 (7.1 mi), 52325 (8.5 mi), 52359 (8.6 mi), 52248 (10 mi) and 52335 (10.7 mi).

Is 52356 a PO Box ZIP code?

52356 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “52356 ZIP Code — Wellman, Iowa (Washington County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52356

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/52356.json

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