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/61803

61803

ZIP 61803 is in Urbana, Illinois, in Champaign County; area code 217; Central time. Urbana has 3 ZIP codes; the others are 61801 and 61802.

Type
No street area
Time zone
America/Chicago
County
Champaign
Coordinates
40.1059, -88.2247

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 61801, whose figures describe that area — not this ZIP code.

☼ Live from 61803 — Urbana, IL

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Where 61803 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 61803
  • 🔢 Type 61803 into a pocket calculator and turn it upside down: EOBIg — not quite a word, sorry.
  • ➕ As a number, 61,803 = 3 × 3 × 3 × 3 × 7 × 109. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111000101101011
  • 🏠 Its numerical neighbours: 61802 (Urbana, IL, 4 mi away) and 61810 (Allerton, IL, 21 mi away).
  • 🔄 Backwards, 61803 becomes 30816 — and that is a real ZIP code: Keysville, GA, 585 miles away.
  • 👥 58 other ZIP codes are made of exactly the same digits (01368, 01863, 03816, 03861, 06138, 06183, …). The farthest-flung twin is 83610 in Cambridge, ID, 1,483 miles away.
  • 🧭 Farther north than 57% of all ZIP codes, and farther west than 51%.
  • 🎯548 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61803 and you would come out at 40.11°S, 91.78°E — 1,229 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 19m.
🌙 The sky over 61803 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments10This ZIP10
Employees383This ZIP383
Annual payroll$24,170,000This ZIP$24,170,000

Land area

ZIP codes near 61803

ZIPCityDistance
61801 Urbana, IL 0.8 mi
61820 Champaign, IL 1.1 mi
61824 Champaign, IL 1.2 mi
61825 Champaign, IL 1.2 mi
61821 Champaign, IL 2.7 mi
61802 Urbana, IL 4.0 mi
61874 Savoy, IL 4.2 mi
61822 Champaign, IL 4.6 mi
61826 Champaign, IL 7.2 mi
61815 Bondville, IL 7.6 mi

Find every ZIP code within 10 miles of 61803 →

Questions about this ZIP code

Where is ZIP code 61803?

61803 is in Urbana, Illinois, in Champaign County, part of the Champaign-Urbana, IL metropolitan area. Its published point location is 40.1059, -88.2247.

What county is 61803 in?

61803 lies in Champaign County.

What area code is 61803?

Urbana uses area code 217, from NANPA's telephone records.

What time zone is 61803 in?

61803 uses America/Chicago.

What ZIP codes are near 61803?

The closest are 61801 (0.8 mi), 61820 (1.1 mi), 61824 (1.2 mi), 61825 (1.2 mi) and 61821 (2.7 mi).

Is 61803 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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zipcodes.pro. “61803 ZIP Code — Urbana, Illinois (Champaign County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61803

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