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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/92821

92821

ZIP 92821 is in Brea, California, in Orange County; area codes 714 and 657; Pacific time. Brea has 3 ZIP codes; the others are 92822 and 92823.

Type
Standard
Time zone
America/Los_Angeles
County
Orange
Population
41,623
Coordinates
33.9319, -117.8549
☼ Live from 92821 — Brea, CA

Weather right now

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Local time: —

Where 92821 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 92821
  • 🔢 Type 92821 into a pocket calculator and turn it upside down: IZBZG — not quite a word, sorry.
  • ➕ 92821 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 22, a total 2,607 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110101010010101
  • 🏠 Its numerical neighbours: 92817 (Anaheim, CA, 7 mi away) and 92822 (Brea, CA, 2 mi away).
  • 🔄 Backwards, 92821 becomes 12829, which is not a ZIP code at all.
  • 👥 20 other ZIP codes are made of exactly the same digits (12928, 18229, 18922, 21289, 21298, 21829, …). The farthest-flung twin is 12928 in Crown Point, NY, 2,446 miles away.
  • 🧭 Farther south than 79% of all ZIP codes, and farther west than 91%.
  • 🎯1,138 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 92821 and you would come out at 33.93°S, 62.15°E — 990 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 53m.
  • 📏 At 14.1 square miles of land, 92821 is bigger than 32% of ZIP codes — room for about 11 Central Parks.
🌙 The sky over 92821 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population41,623This ZIP41,623
Households14,705This ZIP14,705
Housing units15,134This ZIP15,134
Median age39.8This ZIP39.8California37.9US 38.9
Median household income$123,629This ZIP$123,629California$99,122US $80,734
Median home value$903,200This ZIP$903,200California$734,700US $332,700
Median gross rent$2,348This ZIP$2,348California$2,036US $1,413
Bachelor's degree or higher50.5%This ZIP50.5%
Mean commute30.8 minThis ZIP30.8 min
Population density2,944.7 / sq miThis ZIP2,944.7 / sq mi

Business and tax activity

Business establishments2,393This ZIP2,393
Employees53,249This ZIP53,249
Annual payroll$4,292,902,000This ZIP$4,292,902,000
Tax returns filed19,900This ZIP19,900
Total adjusted gross income$2,170,312,000This ZIP$2,170,312,000

Land area

Land area14.14 sq miThis ZIP14.14 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 92821

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

ZIP codes near 92821

ZIPCityDistance
92822 Brea, CA 2.2 mi
92823 Brea, CA 3.4 mi
92871 Placentia, CA 3.4 mi
92885 Yorba Linda, CA 3.4 mi
92870 Placentia, CA 3.5 mi
92886 Yorba Linda, CA 4.0 mi
92835 Fullerton, CA 4.1 mi
91748 Rowland Heights, CA 4.2 mi
92831 Fullerton, CA 4.3 mi
91765 Diamond Bar, CA 4.4 mi

Find every ZIP code within 10 miles of 92821 →

Questions about this ZIP code

Where is ZIP code 92821?

92821 is in Brea, California, in Orange County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 33.9319, -117.8549.

What county is 92821 in?

92821 lies in Orange County.

What area code is 92821?

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

What time zone is 92821 in?

92821 uses America/Los_Angeles.

How many people live in 92821?

About 41,623 people live in ZIP code 92821, in 14,705 households, at 2,944.7 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 92821?

$123,629 a year, against $99,122 across California.

What ZIP codes are near 92821?

The closest are 92822 (2.2 mi), 92823 (3.4 mi), 92871 (3.4 mi), 92885 (3.4 mi) and 92870 (3.5 mi).

Is 92821 a PO Box ZIP code?

92821 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “92821 ZIP Code — Brea, California (Orange County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92821

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