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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/62840

62840

ZIP 62840 is Frankfort Heights, Illinois, in Franklin County; area codes 618 and 730; Central time.

Type
No street area
Time zone
America/Chicago
County
Franklin
Metro area
none
Coordinates
37.9943, -88.9417

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 62812, whose figures describe that area — not this ZIP code.

☼ Live from 62840 — Frankfort Heights, IL

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Where 62840 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 62840
  • 🔢 Type 62840 into a pocket calculator and turn it upside down: OhBZg — not quite a word, sorry.
  • ➕ As a number, 62,840 = 2 × 2 × 2 × 5 × 1571. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111010101111000
  • 🏠 Its numerical neighbours: 62839 (Flora, IL, 52 mi away) and 62841 (Freeman Spur, IL, 10 mi away).
  • 🔄 Backwards, 62840 becomes 04826, which is not a ZIP code at all.
  • 👥 62 other ZIP codes are made of exactly the same digits (02468, 02648, 02864, 04268, 04286, 04628, …). The farthest-flung twin is 86402 in Kingman, AZ, 1,401 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther west than 53%.
  • 🎯533 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 62840 and you would come out at 37.99°S, 91.06°E — 1,297 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 31m.
🌙 The sky over 62840 today
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Source: USGS.

Land area

ZIP codes near 62840

ZIPCityDistance
62812 Benton, IL 1.3 mi
62819 Buckner, IL 3.7 mi
62891 Valier, IL 5.6 mi
62874 Orient, IL 5.7 mi
62822 Christopher, IL 6.3 mi
62856 Logan, IL 6.3 mi
62825 Coello, IL 6.4 mi
62897 Whittington, IL 7.1 mi
62896 West Frankfort, IL 7.2 mi
62865 Mulkeytown, IL 7.8 mi

Find every ZIP code within 10 miles of 62840 →

Questions about this ZIP code

Where is ZIP code 62840?

62840 is in Frankfort Heights, Illinois, in Franklin County. Its published point location is 37.9943, -88.9417.

What county is 62840 in?

62840 lies in Franklin County.

What area code is 62840?

Frankfort Heights uses area codes 618 and 730, from NANPA's telephone records.

What time zone is 62840 in?

62840 uses America/Chicago.

What ZIP codes are near 62840?

The closest are 62812 (1.3 mi), 62819 (3.7 mi), 62891 (5.6 mi), 62874 (5.7 mi) and 62822 (6.3 mi).

Is 62840 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. “62840 ZIP Code — Frankfort Heights, Illinois (Franklin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/62840

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