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/90231

90231

ZIP 90231 is in Culver City, California, in Los Angeles County; area codes 310 and 424; Pacific time. Culver City has 4 ZIP codes; the others are 90230, 90232 and 90233.

Type
No street area
Time zone
America/Los_Angeles
County
Los Angeles
Coordinates
34.0211, -118.3965

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 90232, whose figures describe that area — not this ZIP code.

☼ Live from 90231 — Culver City, CA

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Where 90231 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 90231
  • 🔢 Type 90231 into a pocket calculator and turn it upside down: IEZOG — not quite a word, sorry.
  • ➕ As a number, 90,231 = 3 × 19 × 1583. Its digits add up to 15, a total 1,657 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110000001110111
  • 🏠 Its numerical neighbours: 90230 (Culver City, CA, 2 mi away) and 90232 (Culver City, CA, 0 mi away).
  • 🔄 Backwards, 90231 becomes 13209 — and that is a real ZIP code: Syracuse, NY, 2,336 miles away.
  • 👥 65 other ZIP codes are made of exactly the same digits (01923, 02139, 03291, 09123, 09132, 09213, …). The farthest-flung twin is 09213 in APO AE, a military post office, 5,787 miles away.
  • 🧭 Farther south than 79% of all ZIP codes, and farther west than 92%.
  • 🎯1,163 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 90231 and you would come out at 34.02°S, 61.60°E — 983 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 90231 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments8This ZIP8
Employees24This ZIP24
Annual payroll$996,000This ZIP$996,000

Land area

ZIP codes near 90231

ZIPCityDistance
90233 Culver City, CA 0.0 mi
90232 Culver City, CA 0.3 mi
90034 Los Angeles, CA 0.7 mi
90230 Culver City, CA 1.6 mi
90064 Los Angeles, CA 2.0 mi
90035 Los Angeles, CA 2.2 mi
90066 Los Angeles, CA 2.4 mi
90016 Los Angeles, CA 2.5 mi
90056 Los Angeles, CA 2.5 mi
90067 Los Angeles, CA 2.6 mi

Find every ZIP code within 10 miles of 90231 →

Questions about this ZIP code

Where is ZIP code 90231?

90231 is in Culver City, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.0211, -118.3965.

What county is 90231 in?

90231 lies in Los Angeles County.

What area code is 90231?

Culver City uses area codes 310 and 424, from NANPA's telephone records.

What time zone is 90231 in?

90231 uses America/Los_Angeles.

What ZIP codes are near 90231?

The closest are 90233 (0 mi), 90232 (0.3 mi), 90034 (0.7 mi), 90230 (1.6 mi) and 90064 (2 mi).

Is 90231 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. “90231 ZIP Code — Culver City, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/90231

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/90231.json

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