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/91763

91763

ZIP 91763 is Montclair, California, in San Bernardino County; area codes 909 and 840; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
Population
37,700
Coordinates
34.0721, -117.6983
☼ Live from 91763 — Montclair, CA

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 91763 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 91763
  • 🔢 Type 91763 into a pocket calculator and turn it upside down: EgLIG — not quite a word, sorry.
  • ➕ As a number, 91,763 = 7 × 13109. Its digits add up to 26, a total 2,038 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011001110011
  • 🏠 Its numerical neighbours: 91762 (Ontario, CA, 2 mi away) and 91764 (Ontario, CA, 5 mi away).
  • 🔄 Backwards, 91763 becomes 36719, which is not a ZIP code at all.
  • 👥 35 other ZIP codes are made of exactly the same digits (13679, 13697, 13796, 16937, 17936, 17963, …). The farthest-flung twin is 96731 in Kahuku, HI, 2,585 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 90%.
  • 🎯1,125 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91763 and you would come out at 34.07°S, 62.30°E — 1,003 miles from Saint-Denis, Reunion, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 26m of daylight. Shortest: 9h 53m.
  • 📏 At 5.3 square miles of land, 91763 is bigger than 19% of ZIP codes — room for about 4.0 Central Parks.
🌙 The sky over 91763 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population37,700This ZIP37,700
Households10,612This ZIP10,612
Housing units10,934This ZIP10,934
Median age33.5This ZIP33.5California37.9US 38.9
Median household income$78,770This ZIP$78,770California$99,122US $80,734
Median home value$570,100This ZIP$570,100California$734,700US $332,700
Median gross rent$1,899This ZIP$1,899California$2,036US $1,413
Bachelor's degree or higher19.0%This ZIP19.0%
Mean commute30.2 minThis ZIP30.2 min
Population density7,113.2 / sq miThis ZIP7,113.2 / sq mi

Business and tax activity

Business establishments1,011This ZIP1,011
Employees12,536This ZIP12,536
Annual payroll$623,218,000This ZIP$623,218,000
Tax returns filed17,420This ZIP17,420
Total adjusted gross income$943,106,000This ZIP$943,106,000

Land area

Land area5.30 sq miThis ZIP5.30 sq mi
Water area0.00 sq mi

Other place names in 91763

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

ZIP codes near 91763

ZIPCityDistance
91762 Ontario, CA 1.9 mi
91767 Pomona, CA 2.4 mi
91758 Ontario, CA 2.8 mi
91786 Upland, CA 3.1 mi
91769 Pomona, CA 3.3 mi
91785 Upland, CA 3.7 mi
91766 Pomona, CA 3.9 mi
91711 Claremont, CA 4.0 mi
91710 Chino, CA 4.7 mi
91764 Ontario, CA 5.3 mi

Find every ZIP code within 10 miles of 91763 →

Questions about this ZIP code

Where is ZIP code 91763?

91763 is in Montclair, California, in San Bernardino County, part of the Riverside-San Bernardino-Ontario, CA metropolitan area. Its published point location is 34.0721, -117.6983.

What county is 91763 in?

91763 lies in San Bernardino County.

What area code is 91763?

Montclair uses area codes 909 and 840, from NANPA's telephone records.

What time zone is 91763 in?

91763 uses America/Los_Angeles.

How many people live in 91763?

About 37,700 people live in ZIP code 91763, in 10,612 households, at 7,113.2 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 91763?

$78,770 a year, against $99,122 across California.

What ZIP codes are near 91763?

The closest are 91762 (1.9 mi), 91767 (2.4 mi), 91758 (2.8 mi), 91786 (3.1 mi) and 91769 (3.3 mi).

Is 91763 a PO Box ZIP code?

91763 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “91763 ZIP Code — Montclair, California (San Bernardino County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91763

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/91763.json

Underlying data is public domain or openly licensed — sources, vintages and licences.