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/92039

92039

ZIP 92039 is in La Jolla, California, in San Diego County; area codes 858 and 619; Pacific time. La Jolla has 5 ZIP codes; the others are 92037, 92038, 92092 and 92093.

Type
No street area
Time zone
America/Los_Angeles
County
San Diego
Coordinates
32.8473, -117.2742

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 92037, whose figures describe that area — not this ZIP code.

☼ Live from 92039 — La Jolla, CA

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Local time: —

Where 92039 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 92039
  • 🔢 Type 92039 into a pocket calculator and turn it upside down: GEOZG — not quite a word, sorry.
  • ➕ As a number, 92,039 = 31 × 2969. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011110000111
  • 🏠 Its numerical neighbours: 92038 (La Jolla, CA, 0 mi away) and 92040 (Lakeside, CA, 23 mi away).
  • 🔄 Backwards, 92039 becomes 93029, 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, 5,914 miles away.
  • 🧭 Farther south than 85% of all ZIP codes, and farther west than 90%.
  • 🎯1,144 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 92039 and you would come out at 32.85°S, 62.73°E — 934 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 19m of daylight. Shortest: 9h 59m.
🌙 The sky over 92039 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees36This ZIP36
Annual payroll$3,713,000This ZIP$3,713,000

Land area

ZIP codes near 92039

ZIPCityDistance
92038 La Jolla, CA 0.0 mi
92037 La Jolla, CA 1.4 mi
92092 La Jolla, CA 2.9 mi
92161 San Diego, CA 3.1 mi
92093 La Jolla, CA 3.2 mi
92122 San Diego, CA 3.8 mi
92117 San Diego, CA 4.6 mi
92109 San Diego, CA 4.8 mi
92121 San Diego, CA 5.4 mi
92111 San Diego, CA 6.7 mi

Find every ZIP code within 10 miles of 92039 →

Questions about this ZIP code

Where is ZIP code 92039?

92039 is in La Jolla, California, in San Diego County, part of the San Diego-Chula Vista-Carlsbad, CA metropolitan area. Its published point location is 32.8473, -117.2742.

What county is 92039 in?

92039 lies in San Diego County.

What area code is 92039?

La Jolla uses area codes 858 and 619, from NANPA's telephone records.

What time zone is 92039 in?

92039 uses America/Los_Angeles.

What ZIP codes are near 92039?

The closest are 92038 (0 mi), 92037 (1.4 mi), 92092 (2.9 mi), 92161 (3.1 mi) and 92093 (3.2 mi).

Is 92039 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. “92039 ZIP Code — La Jolla, California (San Diego County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92039

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/92039.json

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