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 — CITY/CA/MONTCLAIR

Montclair ZIP code, California

The ZIP code for Montclair, CA is 91763, and its area codes are 909 and 840.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
37,810
Area codes
909, 840

NANPA lists no telephone rate centre for Montclair itself, so these are the area codes of the nearest one, Ontario (1.9 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Montclair uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Montclair in numbers

About 37,810 people live in Montclair, in 10,652 households. The median household income is $77,659 a year, 22% below the California median of $99,122 (US: $80,734). The median owner-occupied home is valued at $569,100 (23% below the California median), and median gross rent is $1,889 a month. The median age is 33.7; 18.8% of adults 25 and over hold a bachelor's degree or higher (37.1% across California); the average commute takes 30 minutes.

Population37,810Montclair37,810
Households10,652Montclair10,652
Median age33.7Montclair33.7California37.9US 38.9
Median household income$77,659Montclair$77,659California$99,122US $80,734
Median home value$569,100Montclair$569,100California$734,700US $332,700
Median gross rent$1,889Montclair$1,889California$2,036US $1,413
Bachelor's degree or higher18.8%Montclair18.8%California37.1%US 35.7%
Mean commute30.2 minMontclair30.2 minCalifornia28.7 minUS 26.4 min
Population density6,836 / sq miMontclair6,836 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Montclair city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Montclair

ZIP codes with the USPS city name Montclair
ZIP City Type Population Median income Median home
91763 Montclair , CA Standard 37,700 $78,770 $570,100

Other ZIP codes overlapping Montclair

These ZIP codes cover part of Montclair but are addressed as somewhere else.

ZIP codes overlapping Montclair
ZIP City Type Population Median income Median home
91762 Ontario , CA Standard 64,235 $83,850 $606,000

Map of Montclair ZIP codes

The ZIP codes of Montclair, CA, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Montclair

The nearest larger towns are Pomona (147,943 people, 3.7 mi), Upland (79,257 people, 3.8 mi) and Ontario (180,547 people, 5.8 mi).

Towns near Montclair
TownPopulationDistance
Pomona 147,943 3.7 mi
Upland 79,257 3.8 mi
Claremont 36,595 3.8 mi
La Verne 30,600 5.3 mi
Ontario 180,547 5.8 mi
San Antonio Heights 3,458 6.3 mi
San Dimas 33,789 6.8 mi
Chino 92,652 6.9 mi
Diamond Bar 53,355 8.4 mi
Rancho Cucamonga 175,411 8.6 mi
Chino Hills 77,927 9.0 mi
Charter Oak 9,442 9.3 mi
Walnut 27,611 9.3 mi
Glendora 50,926 10.0 mi

More nearby: every ZIP code in San Bernardino County · California ZIP codes

Cite this page

zipcodes.pro. “Montclair, CA ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ca/montclair

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