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/91503

91503

ZIP 91503 is in Burbank, California, in Los Angeles County; area codes 818 and 747; Pacific time. Burbank has 13 ZIP codes in all.

Type
No street area
Time zone
America/Los_Angeles
County
Los Angeles
Coordinates
34.1808, -118.3090

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 91502, whose figures describe that area — not this ZIP code.

☼ Live from 91503 — Burbank, CA

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Where 91503 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 91503
  • 🔢 Type 91503 into a pocket calculator and turn it upside down: EOSIG — not quite a word, sorry.
  • ➕ As a number, 91,503 = 3 × 3 × 3 × 3389. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110010101101111
  • 🏠 Its numerical neighbours: 91502 (Burbank, CA, 0 mi away) and 91504 (Burbank, CA, 2 mi away).
  • 🔄 Backwards, 91503 becomes 30519 — and that is a real ZIP code: Buford, GA, 1,956 miles away.
  • 👥 46 other ZIP codes are made of exactly the same digits (09351, 10953, 13905, 15930, 19035, 19053, …). The farthest-flung twin is 09351 in APO AE, a military post office, 5,865 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 92%.
  • 🎯1,153 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91503 and you would come out at 34.18°S, 61.69°E — 995 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 26m of daylight. Shortest: 9h 52m.
🌙 The sky over 91503 today
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Source: USGS.

Business and tax activity

Business establishments10This ZIP10
Employees23This ZIP23
Annual payroll$1,475,000This ZIP$1,475,000

Land area

ZIP codes near 91503

ZIPCityDistance
91507 Burbank, CA 0.0 mi
91508 Burbank, CA 0.0 mi
91510 Burbank, CA 0.0 mi
91521 Burbank, CA 0.0 mi
91522 Burbank, CA 0.0 mi
91523 Burbank, CA 0.0 mi
91526 Burbank, CA 0.0 mi
91502 Burbank, CA 0.3 mi
91506 Burbank, CA 1.1 mi
91501 Burbank, CA 1.2 mi

Find every ZIP code within 10 miles of 91503 →

Questions about this ZIP code

Where is ZIP code 91503?

91503 is in Burbank, California, in Los Angeles County, part of the Los Angeles-Long Beach-Anaheim, CA metropolitan area. Its published point location is 34.1808, -118.3090.

What county is 91503 in?

91503 lies in Los Angeles County.

What area code is 91503?

Burbank uses area codes 818 and 747, from NANPA's telephone records.

What time zone is 91503 in?

91503 uses America/Los_Angeles.

What ZIP codes are near 91503?

The closest are 91507 (0 mi), 91508 (0 mi), 91510 (0 mi), 91521 (0 mi) and 91522 (0 mi).

Is 91503 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. “91503 ZIP Code — Burbank, California (Los Angeles County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91503

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/91503.json

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