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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/61635

61635

ZIP 61635 is in East Peoria, Illinois, in Tazewell County; area code 309; Central time. East Peoria has 2 ZIP codes; the other is 61611.

Type
No street area
Time zone
America/Chicago
County
Tazewell
Metro area
Peoria, IL
Coordinates
40.6661, -89.5801

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 61611, whose figures describe that area — not this ZIP code.

☼ Live from 61635 — East Peoria, IL

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Where 61635 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 61635
  • 🔢 Type 61635 into a pocket calculator and turn it upside down: SEgIg — not quite a word, sorry.
  • ➕ As a number, 61,635 = 3 × 5 × 7 × 587. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111000011000011
  • 🏠 Its numerical neighbours: 61634 (Peoria, IL, 2 mi away) and 61636 (Peoria, IL, 2 mi away).
  • 🔄 Backwards, 61635 becomes 53616, which is not a ZIP code at all.
  • 👥 29 other ZIP codes are made of exactly the same digits (13656, 13665, 15366, 15636, 15663, 16365, …). The farthest-flung twin is 31566 in Waynesville, GA, 786 miles away.
  • 🧭 Farther north than 63% of all ZIP codes, and farther west than 55%.
  • 🎯478 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 61635 and you would come out at 40.67°S, 90.42°E — 1,149 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 15m.
🌙 The sky over 61635 today
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Source: USGS.

Land area

ZIP codes near 61635

ZIPCityDistance
61602 Peoria, IL 1.6 mi
61634 Peoria, IL 1.8 mi
61629 Peoria, IL 1.8 mi
61601 Peoria, IL 1.9 mi
61610 Creve Coeur, IL 1.9 mi
61636 Peoria, IL 2.5 mi
61637 Peoria, IL 2.6 mi
61625 Peoria, IL 2.8 mi
61605 Peoria, IL 2.9 mi
61606 Peoria, IL 2.9 mi

Find every ZIP code within 10 miles of 61635 →

Questions about this ZIP code

Where is ZIP code 61635?

61635 is in East Peoria, Illinois, in Tazewell County, part of the Peoria, IL metropolitan area. Its published point location is 40.6661, -89.5801.

What county is 61635 in?

61635 lies in Tazewell County.

What area code is 61635?

East Peoria uses area code 309, from NANPA's telephone records.

What time zone is 61635 in?

61635 uses America/Chicago.

What ZIP codes are near 61635?

The closest are 61602 (1.6 mi), 61634 (1.8 mi), 61629 (1.8 mi), 61601 (1.9 mi) and 61610 (1.9 mi).

Is 61635 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. “61635 ZIP Code — East Peoria, Illinois (Tazewell County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/61635

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/61635.json

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