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/52406

52406

ZIP 52406 is in Cedar Rapids, Iowa, in Linn County; area code 319; Central time. Cedar Rapids has 14 ZIP codes in all.

Type
No street area
Time zone
America/Chicago
County
Linn
Metro area
Cedar Rapids, IA
Coordinates
42.0083, -91.6441

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 52402, whose figures describe that area — not this ZIP code.

☼ Live from 52406 — Cedar Rapids, IA

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Local time: —

Where 52406 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 52406
  • 🔢 Type 52406 into a pocket calculator and turn it upside down: gOhZS — not quite a word, sorry.
  • ➕ As a number, 52,406 = 2 × 26203. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100110010110110
  • 🏠 Its numerical neighbours: 52405 (Cedar Rapids, IA, 6 mi away) and 52407 (Cedar Rapids, IA, 5 mi away).
  • 🔄 Backwards, 52406 becomes 60425 — and that is a real ZIP code: Glenwood, IL, 210 miles away.
  • 👥 59 other ZIP codes are made of exactly the same digits (02456, 02465, 02564, 02645, 04256, 04265, …). The farthest-flung twin is 04652 in Lubec, ME, 1,244 miles away.
  • 🧭 Farther north than 75% of all ZIP codes, and farther west than 60%.
  • 🎯392 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 52406 and you would come out at 42.01°S, 88.36°E — 1,008 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 15m of daylight. Shortest: 9h 07m.
🌙 The sky over 52406 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments45This ZIP45
Employees2,908This ZIP2,908
Annual payroll$223,369,000This ZIP$223,369,000

Land area

ZIP codes near 52406

ZIPCityDistance
52402 Cedar Rapids, IA 1.3 mi
52401 Cedar Rapids, IA 2.4 mi
52233 Hiawatha, IA 3.6 mi
52328 Robins, IA 4.5 mi
52403 Cedar Rapids, IA 5.0 mi
52411 Cedar Rapids, IA 5.4 mi
52407 Cedar Rapids, IA 5.4 mi
52408 Cedar Rapids, IA 5.4 mi
52409 Cedar Rapids, IA 5.4 mi
52410 Cedar Rapids, IA 5.4 mi

Find every ZIP code within 10 miles of 52406 →

Questions about this ZIP code

Where is ZIP code 52406?

52406 is in Cedar Rapids, Iowa, in Linn County, part of the Cedar Rapids, IA metropolitan area. Its published point location is 42.0083, -91.6441.

What county is 52406 in?

52406 lies in Linn County.

What area code is 52406?

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

What time zone is 52406 in?

52406 uses America/Chicago.

What ZIP codes are near 52406?

The closest are 52402 (1.3 mi), 52401 (2.4 mi), 52233 (3.6 mi), 52328 (4.5 mi) and 52403 (5 mi).

Is 52406 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “52406 ZIP Code — Cedar Rapids, Iowa (Linn County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/52406

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curl https://zipcodes.pro/zip/52406.json

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