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/90239

90239

ZIP 90239 is in Downey, California, in Los Angeles County; area code 562; Pacific time. Downey has 4 ZIP codes; the others are 90240, 90241 and 90242.

Type
No street area
Time zone
America/Los_Angeles
County
Los Angeles
Coordinates
33.9400, -118.1326

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 90241, whose figures describe that area — not this ZIP code.

☼ Live from 90239 — Downey, CA

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Where 90239 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 90239
  • 🔢 Type 90239 into a pocket calculator and turn it upside down: GEZOG — not quite a word, sorry.
  • ➕ 90239 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110000001111111
  • 🏠 Its numerical neighbours: 90233 (Culver City, CA, 16 mi away) and 90240 (Downey, CA, 1 mi away).
  • 🔄 Backwards, 90239 becomes 93209, which is not a ZIP code at all.
  • 👥 22 other ZIP codes are made of exactly the same digits (03299, 09239, 20993, 23909, 29039, 29903, …). The farthest-flung twin is 09239 in APO AE, a military post office, 5,875 miles away.
  • 🧭 Farther south than 79% of all ZIP codes, and farther west than 91%.
  • 🎯1,152 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 90239 and you would come out at 33.94°S, 61.87°E — 984 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 53m.
🌙 The sky over 90239 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments7This ZIP7
Employees32This ZIP32
Annual payroll$1,978,000This ZIP$1,978,000

Land area

ZIP codes near 90239

ZIPCityDistance
90241 Downey, CA 0.2 mi
90242 Downey, CA 1.3 mi
90240 Downey, CA 1.4 mi
90671 Santa Fe Springs, CA 2.8 mi
90201 Bell Gardens, CA 3.1 mi
90723 Paramount, CA 3.4 mi
90280 South Gate, CA 3.5 mi
90706 Bellflower, CA 3.6 mi
90661 Pico Rivera, CA 3.6 mi
90662 Pico Rivera, CA 3.6 mi

Find every ZIP code within 10 miles of 90239 →

Questions about this ZIP code

Where is ZIP code 90239?

90239 is in Downey, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 33.9400, -118.1326.

What county is 90239 in?

90239 lies in Los Angeles County.

What area code is 90239?

Downey uses area code 562, from NANPA's telephone records.

What time zone is 90239 in?

90239 uses America/Los_Angeles.

What ZIP codes are near 90239?

The closest are 90241 (0.2 mi), 90242 (1.3 mi), 90240 (1.4 mi), 90671 (2.8 mi) and 90201 (3.1 mi).

Is 90239 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. “90239 ZIP Code — Downey, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/90239

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/90239.json

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