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/40392

40392

ZIP 40392 is in Winchester, Kentucky, in Clark County; area code 859; Eastern time. Winchester has 2 ZIP codes; the other is 40391.

Type
No street area
Time zone
America/New_York
County
Clark
Coordinates
37.9901, -84.1797

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 40391, whose figures describe that area — not this ZIP code.

☼ Live from 40392 — Winchester, KY

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Where 40392 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 40392
  • 🔢 Type 40392 into a pocket calculator and turn it upside down: ZGEOh — not quite a word, sorry.
  • ➕ As a number, 40,392 = 2 × 2 × 2 × 3 × 3 × 3 × 11 × 17. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1001110111001000
  • 🏠 Its numerical neighbours: 40391 (Winchester, KY, 2 mi away) and 40402 (Annville, KY, 50 mi away).
  • 🔄 Backwards, 40392 becomes 29304 — and that is a real ZIP code: Spartanburg, SC, 248 miles away.
  • 👥 51 other ZIP codes are made of exactly the same digits (02349, 02493, 03249, 04239, 04923, 04932, …). The farthest-flung twin is 94302 in Palo Alto, CA, 2,061 miles away.
  • 🧭 Farther south than 58% of all ZIP codes, and farther east than 59%.
  • 🎯784 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 40392 and you would come out at 37.99°S, 95.82°E — 1,206 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 48m of daylight. Shortest: 9h 31m.
🌙 The sky over 40392 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments13This ZIP13
Employees420This ZIP420
Annual payroll$48,384,000This ZIP$48,384,000

Land area

ZIP codes near 40392

ZIPCityDistance
40391 Winchester, KY 2.3 mi
40509 Lexington, KY 10.8 mi
40357 North Middletown, KY 11.4 mi
40516 Lexington, KY 11.5 mi
40353 Mount Sterling, KY 13.6 mi
40515 Lexington, KY 13.7 mi
40361 Paris, KY 14.8 mi
40362 Paris, KY 15.7 mi
40505 Lexington, KY 15.9 mi
40512 Lexington, KY 16.1 mi

Find every ZIP code within 10 miles of 40392 →

Questions about this ZIP code

Where is ZIP code 40392?

40392 is in Winchester, Kentucky, in Clark County, part of the Lexington-Fayette, KY metropolitan area. Its published point location is 37.9901, -84.1797.

What county is 40392 in?

40392 lies in Clark County.

What area code is 40392?

Winchester uses area code 859, from NANPA's telephone records.

What time zone is 40392 in?

40392 uses America/New_York.

What ZIP codes are near 40392?

The closest are 40391 (2.3 mi), 40509 (10.8 mi), 40357 (11.4 mi), 40516 (11.5 mi) and 40353 (13.6 mi).

Is 40392 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. “40392 ZIP Code — Winchester, Kentucky (Clark County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40392

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curl https://zipcodes.pro/zip/40392.json

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