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zipcodes.pro — ZIP/91786

91786

ZIP 91786 is in Upland, California, in San Bernardino County; area codes 909 and 840; Pacific time. Upland has 3 ZIP codes; the others are 91784 and 91785.

Type
Standard
Time zone
America/Los_Angeles
Population
55,829
Coordinates
34.1052, -117.6621
☼ Live from 91786 — Upland, CA

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Local time: —

Where 91786 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 91786
  • 🔢 Type 91786 into a pocket calculator and turn it upside down: gBLIG — not quite a word, sorry.
  • ➕ As a number, 91,786 = 2 × 45893. Its digits add up to 31, a total 799 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110011010001010
  • 🏠 Its numerical neighbours: 91785 (Upland, CA, 1 mi away) and 91788 (Walnut, CA, 13 mi away).
  • 🔄 Backwards, 91786 becomes 68719 — and that is a real ZIP code: Bristow, NE, 1,196 miles away.
  • 👥 23 other ZIP codes are made of exactly the same digits (16879, 17968, 18769, 18976, 68179, 68197, …). The farthest-flung twin is 96817 in Honolulu, HI, 2,590 miles away.
  • 🧭 Farther south than 78% of all ZIP codes, and farther west than 90%.
  • 🎯1,122 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 91786 and you would come out at 34.11°S, 62.34°E — 1,006 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 8.9 square miles of land, 91786 is bigger than 26% of ZIP codes — room for about 6.8 Central Parks.
🌙 The sky over 91786 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population55,829This ZIP55,829
Households19,615This ZIP19,615
Housing units20,193This ZIP20,193
Median age35.3This ZIP35.3California37.9US 38.9
Median household income$92,458This ZIP$92,458California$99,122US $80,734
Median home value$641,600This ZIP$641,600California$734,700US $332,700
Median gross rent$1,969This ZIP$1,969California$2,036US $1,413
Bachelor's degree or higher32.8%This ZIP32.8%
Mean commute30.9 minThis ZIP30.9 min
Population density6,242.8 / sq miThis ZIP6,242.8 / sq mi

Business and tax activity

Business establishments2,098This ZIP2,098
Employees25,012This ZIP25,012
Annual payroll$1,344,864,000This ZIP$1,344,864,000
Tax returns filed25,300This ZIP25,300
Total adjusted gross income$1,745,121,000This ZIP$1,745,121,000

Land area

Land area8.94 sq miThis ZIP8.94 sq mi
Water area0.00 sq mi

Other place names in 91786

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

ZIP codes near 91786

ZIPCityDistance
91785 Upland, CA 0.7 mi
91784 Upland, CA 2.5 mi
91758 Ontario, CA 3.0 mi
91763 Montclair, CA 3.1 mi
91762 Ontario, CA 3.2 mi
91711 Claremont, CA 3.4 mi
91764 Ontario, CA 3.9 mi
91729 Rancho Cucamonga, CA 3.9 mi
91701 Rancho Cucamonga, CA 4.2 mi
91767 Pomona, CA 4.6 mi

Find every ZIP code within 10 miles of 91786 →

Questions about this ZIP code

Where is ZIP code 91786?

91786 is in Upland, California, in San Bernardino County, part of the Riverside-San Bernardino-Ontario, CA metropolitan area. Its published point location is 34.1052, -117.6621.

What county is 91786 in?

91786 lies in San Bernardino County.

What area code is 91786?

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

What time zone is 91786 in?

91786 uses America/Los_Angeles.

How many people live in 91786?

About 55,829 people live in ZIP code 91786, in 19,615 households, at 6,242.8 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 91786?

$92,458 a year, against $99,122 across California.

What ZIP codes are near 91786?

The closest are 91785 (0.7 mi), 91784 (2.5 mi), 91758 (3 mi), 91763 (3.1 mi) and 91762 (3.2 mi).

Is 91786 a PO Box ZIP code?

91786 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “91786 ZIP Code — Upland, California (San Bernardino County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/91786

Machine-readable version of these facts:

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