40290

ZIP 40290 is in Louisville, Kentucky, in Jefferson County; area code 502; Eastern time. Louisville has 66 ZIP codes in all.

Type: No street area
Time zone: America/Kentucky/Louisville
County: Jefferson
Metro area: Louisville/Jefferson County, KY-IN
Coordinates: 38.1890, -85.6768

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 40218, whose figures describe that area — not this ZIP code.

☼ Live from 40290 — Louisville, KY

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Where 40290 is

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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 40290

🔢 Type 40290 into a pocket calculator and turn it upside down: OGZOh — not quite a word, sorry.
➕ As a number, 40,290 = 2 × 3 × 5 × 17 × 79. Its digits add up to 15, a total 1,657 other ZIP codes share.
💾In binary, the way a computer stores it: 1001110101100010
🏠 Its numerical neighbours: 40289 (Louisville, KY, 6 mi away) and 40291 (Louisville, KY, 7 mi away).
🔄 Backwards, 40290 becomes 09204, which is not a ZIP code at all.
👥 26 other ZIP codes are made of exactly the same digits (00924, 02904, 02940, 04029, 04092, 04290, …). The farthest-flung twin is 09420 in FPO AE, a military post office, 3,836 miles away.
🧭 Farther south than 57% of all ZIP codes, and farther east than 55%.
🎯701 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 40290 and you would come out at 38.19°S, 94.32°E — 1,288 miles from Perth, Australia, the nearest big city to that spot.
☀Longest day of the year: 14h 49m of daylight. Shortest: 9h 30m.

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Land area

ZIP codes near 40290

ZIP	City	Distance
`40201`	Louisville, KY	0.0 mi
`40224`	Louisville, KY	0.0 mi
`40225`	Louisville, KY	0.0 mi
`40232`	Louisville, KY	0.0 mi
`40233`	Louisville, KY	0.0 mi
`40250`	Louisville, KY	0.0 mi
`40251`	Louisville, KY	0.0 mi
`40252`	Louisville, KY	0.0 mi
`40253`	Louisville, KY	0.0 mi
`40255`	Louisville, KY	0.0 mi

Find every ZIP code within 10 miles of 40290 →

Questions about this ZIP code

Where is ZIP code 40290?

40290 is in Louisville, Kentucky, in Jefferson County, part of the Louisville/Jefferson County, KY-IN metropolitan area. Its published point location is 38.1890, -85.6768.

What county is 40290 in?

40290 lies in Jefferson County.

What area code is 40290?

Louisville uses area code 502, from NANPA's telephone records.

What time zone is 40290 in?

40290 uses America/Kentucky/Louisville.

What ZIP codes are near 40290?

The closest are 40201 (0 mi), 40224 (0 mi), 40225 (0 mi), 40232 (0 mi) and 40233 (0 mi).

Is 40290 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. “40290 ZIP Code — Louisville, Kentucky (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/40290

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/40290.json

Underlying data is public domain or openly licensed — sources, vintages and licences.