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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/92831

92831

ZIP 92831 is in Fullerton, California, in Orange County; area codes 714 and 657; Pacific time. Fullerton has 8 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Orange
Population
35,618
Coordinates
33.8795, -117.8960
☼ Live from 92831 — Fullerton, CA

Weather right now

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Local time: —

Where 92831 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 92831
  • 🔢 Type 92831 into a pocket calculator and turn it upside down: IEBZG — not quite a word, sorry.
  • ➕ 92831 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: 10110101010011111
  • 🏠 Its numerical neighbours: 92825 (Anaheim, CA, 3 mi away) and 92832 (Fullerton, CA, 2 mi away).
  • 🔄 Backwards, 92831 becomes 13829, which is not a ZIP code at all.
  • 👥 35 other ZIP codes are made of exactly the same digits (12839, 12983, 18239, 18923, 18932, 19382, …). The farthest-flung twin is 12839 in Hudson Falls, NY, 2,451 miles away.
  • 🧭 Farther south than 80% of all ZIP codes, and farther west than 91%.
  • 🎯1,141 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 92831 and you would come out at 33.88°S, 62.10°E — 986 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 54m.
  • 📏 At 5.9 square miles of land, 92831 is bigger than 21% of ZIP codes — room for about 4.5 Central Parks.
🌙 The sky over 92831 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population35,618This ZIP35,618
Households13,071This ZIP13,071
Housing units13,856This ZIP13,856
Median age32.4This ZIP32.4California37.9US 38.9
Median household income$89,278This ZIP$89,278California$99,122US $80,734
Median home value$876,800This ZIP$876,800California$734,700US $332,700
Median gross rent$2,146This ZIP$2,146California$2,036US $1,413
Bachelor's degree or higher44.7%This ZIP44.7%
Mean commute29.5 minThis ZIP29.5 min
Population density5,987.2 / sq miThis ZIP5,987.2 / sq mi

Business and tax activity

Business establishments1,179This ZIP1,179
Employees19,845This ZIP19,845
Annual payroll$1,212,378,000This ZIP$1,212,378,000
Tax returns filed16,190This ZIP16,190
Total adjusted gross income$1,489,653,000This ZIP$1,489,653,000

Land area

Land area5.95 sq miThis ZIP5.95 sq mi
Water area0.00 sq mi

Other place names in 92831

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 92831

ZIPCityDistance
92834 Fullerton, CA 0.2 mi
92836 Fullerton, CA 0.5 mi
92835 Fullerton, CA 1.8 mi
92832 Fullerton, CA 2.0 mi
92838 Fullerton, CA 2.2 mi
92871 Placentia, CA 2.3 mi
92870 Placentia, CA 2.4 mi
92822 Brea, CA 2.7 mi
92816 Anaheim, CA 2.8 mi
92825 Anaheim, CA 3.2 mi

Find every ZIP code within 10 miles of 92831 →

Questions about this ZIP code

Where is ZIP code 92831?

92831 is in Fullerton, California, in Orange County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 33.8795, -117.8960.

What county is 92831 in?

92831 lies in Orange County.

What area code is 92831?

Fullerton uses area codes 714 and 657, from NANPA's telephone records.

What time zone is 92831 in?

92831 uses America/Los_Angeles.

How many people live in 92831?

About 35,618 people live in ZIP code 92831, in 13,071 households, at 5,987.2 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 92831?

$89,278 a year, against $99,122 across California.

What ZIP codes are near 92831?

The closest are 92834 (0.2 mi), 92836 (0.5 mi), 92835 (1.8 mi), 92832 (2 mi) and 92838 (2.2 mi).

Is 92831 a PO Box ZIP code?

92831 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “92831 ZIP Code — Fullerton, California (Orange County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92831

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