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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/90503

90503

ZIP 90503 is in Torrance, California, in Los Angeles County; area codes 310 and 424; Pacific time. Torrance has 10 ZIP codes in all.

Type
Standard
Time zone
America/Los_Angeles
County
Los Angeles
Population
43,454
Coordinates
33.8395, -118.3537
☼ Live from 90503 — Torrance, CA

Weather right now

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NEXRAD radar
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Local time: —

Where 90503 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 90503
  • 🔢 Type 90503 into a pocket calculator and turn it upside down: EOSOG — not quite a word, sorry.
  • ➕ As a number, 90,503 = 7 × 7 × 1847. Its digits add up to 17, a total 2,133 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110000110000111
  • 🏠 Its numerical neighbours: 90502 (Torrance, CA, 4 mi away) and 90504 (Torrance, CA, 2 mi away).
  • 🔄 Backwards, 90503 becomes 30509, which is not a ZIP code at all.
  • 👥 21 other ZIP codes are made of exactly the same digits (00935, 00953, 03590, 03905, 05039, 05903, …). The farthest-flung twin is 09053 in APO AE, a military post office, 6,005 miles away.
  • 🧭 Farther south than 80% of all ZIP codes, and farther west than 92%.
  • 🎯1,166 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 90503 and you would come out at 33.84°S, 61.65°E — 972 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 24m of daylight. Shortest: 9h 54m.
  • 📏 At 5.3 square miles of land, 90503 is bigger than 19% of ZIP codes — room for about 4.0 Central Parks.
🌙 The sky over 90503 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population43,454This ZIP43,454
Households16,964This ZIP16,964
Housing units18,283This ZIP18,283
Median age41.3This ZIP41.3California37.9US 38.9
Median household income$125,912This ZIP$125,912California$99,122US $80,734
Median home value$1,099,700This ZIP$1,099,700California$734,700US $332,700
Median gross rent$2,302This ZIP$2,302California$2,036US $1,413
Bachelor's degree or higher55.9%This ZIP55.9%
Mean commute28.2 minThis ZIP28.2 min
Population density8,250.2 / sq miThis ZIP8,250.2 / sq mi

Business and tax activity

Business establishments2,158This ZIP2,158
Employees30,491This ZIP30,491
Annual payroll$2,033,178,000This ZIP$2,033,178,000
Tax returns filed21,270This ZIP21,270
Total adjusted gross income$2,557,030,000This ZIP$2,557,030,000

Land area

Land area5.27 sq miThis ZIP5.27 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Other place names in 90503

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

ZIP codes near 90503

ZIPCityDistance
90277 Redondo Beach, CA 2.0 mi
90505 Torrance, CA 2.2 mi
90504 Torrance, CA 2.3 mi
90501 Torrance, CA 2.3 mi
90278 Redondo Beach, CA 2.5 mi
90254 Hermosa Beach, CA 3.1 mi
90261 Lawndale, CA 3.3 mi
90260 Lawndale, CA 3.4 mi
90506 Torrance, CA 3.4 mi
90502 Torrance, CA 3.6 mi

Find every ZIP code within 10 miles of 90503 →

Questions about this ZIP code

Where is ZIP code 90503?

90503 is in Torrance, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 33.8395, -118.3537.

What county is 90503 in?

90503 lies in Los Angeles County.

What area code is 90503?

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

What time zone is 90503 in?

90503 uses America/Los_Angeles.

How many people live in 90503?

About 43,454 people live in ZIP code 90503, in 16,964 households, at 8,250.2 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 90503?

$125,912 a year, against $99,122 across California.

What ZIP codes are near 90503?

The closest are 90277 (2 mi), 90505 (2.2 mi), 90504 (2.3 mi), 90501 (2.3 mi) and 90278 (2.5 mi).

Is 90503 a PO Box ZIP code?

90503 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “90503 ZIP Code — Torrance, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/90503

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