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/52228

52228

ZIP 52228 is Fairfax, Iowa, mostly in Linn County; area code 319; Central time.

Type
Standard
Time zone
America/Chicago
County
Linn +2 more
Metro area
Cedar Rapids, IA
Population
3,802
Coordinates
41.9023, -91.7887
☼ Live from 52228 — Fairfax, IA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 52228 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 52228
  • 🔢 Type 52228 into a pocket calculator and turn it upside down: BZZZS — not quite a word, sorry.
  • ➕ As a number, 52,228 = 2 × 2 × 11 × 1187. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110000000100
  • 🏠 Its numerical neighbours: 52227 (Ely, IA, 11 mi away) and 52229 (Garrison, IA, 26 mi away).
  • 🔄 Backwards, 52228 becomes 82225 — and that is a real ZIP code: Lusk, WY, 643 miles away.
  • 👥 4 other ZIP codes are made of exactly the same digits (22528, 28522, 58222, 82225). The farthest-flung twin is 28522 in Comfort, NC, 905 miles away.
  • 🧭 Farther north than 74% of all ZIP codes, and farther west than 60%.
  • 🎯383 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52228 and you would come out at 41.90°S, 88.21°E — 1,006 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 14m of daylight. Shortest: 9h 07m.
  • 📏 At 37.2 square miles of land, 52228 is bigger than 51% of ZIP codes — room for about 28 Central Parks.
🌙 The sky over 52228 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population3,802This ZIP3,802
Households1,416This ZIP1,416
Housing units1,483This ZIP1,483
Median age40.4This ZIP40.4Iowa38.6US 38.9
Median household income$118,125This ZIP$118,125Iowa$75,059US $80,734
Median home value$308,900This ZIP$308,900Iowa$208,000US $332,700
Median gross rent$1,167This ZIP$1,167Iowa$972US $1,413
Bachelor's degree or higher41.0%This ZIP41.0%
Mean commute21.7 minThis ZIP21.7 min
Population density102.1 / sq miThis ZIP102.1 / sq mi

Business and tax activity

Business establishments63This ZIP63
Employees373This ZIP373
Annual payroll$23,311,000This ZIP$23,311,000
Tax returns filed1,720This ZIP1,720
Total adjusted gross income$176,403,000This ZIP$176,403,000

Land area

Land area37.25 sq miThis ZIP37.25 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Counties 52228 spans

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

CountyShare of this ZIP
Linn County 75.7%
Benton County 13.1%
Johnson County 11.2%

Other place names in 52228

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

ZIP codes near 52228

ZIPCityDistance
52351 Walford, IA 3.1 mi
52404 Cedar Rapids, IA 5.3 mi
52318 Norway, IA 5.6 mi
52405 Cedar Rapids, IA 6.0 mi
52338 Swisher, IA 7.2 mi
52206 Atkins, IA 8.0 mi
52203 Amana, IA 8.1 mi
52204 Amana, IA 8.2 mi
52401 Cedar Rapids, IA 8.4 mi
52307 Middle Amana, IA 9.6 mi

Find every ZIP code within 10 miles of 52228 →

Questions about this ZIP code

Where is ZIP code 52228?

52228 is in Fairfax, Iowa, in Linn County, part of the Cedar Rapids, IA metropolitan area. Its published point location is 41.9023, -91.7887.

What county is 52228 in?

52228 spans 3 counties: Linn County, Benton County and Johnson County. Most of it falls in Linn 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 52228?

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

What time zone is 52228 in?

52228 uses America/Chicago.

How many people live in 52228?

About 3,802 people live in ZIP code 52228, in 1,416 households, at 102.1 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 52228?

$118,125 a year, against $75,059 across Iowa.

What ZIP codes are near 52228?

The closest are 52351 (3.1 mi), 52404 (5.3 mi), 52318 (5.6 mi), 52405 (6 mi) and 52338 (7.2 mi).

Is 52228 a PO Box ZIP code?

52228 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “52228 ZIP Code — Fairfax, Iowa (Linn County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52228

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/52228.json

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