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zipcodes.pro — ZIP/92391

92391

ZIP 92391 is Twin Peaks, California, in San Bernardino County; area codes 909 and 840; Pacific time.

Type
Standard
Time zone
America/Los_Angeles
Population
2,254
Coordinates
34.2397, -117.2367
☼ Live from 92391 — Twin Peaks, CA

Weather right now

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NEXRAD radar
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Local time: —

Where 92391 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 92391
  • 🔢 Type 92391 into a pocket calculator and turn it upside down: IGEZG — not quite a word, sorry.
  • ➕ As a number, 92,391 = 3 × 13 × 23 × 103. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10110100011100111
  • 🏠 Its numerical neighbours: 92389 (Tecopa, CA, 122 mi away) and 92392 (Victorville, CA, 19 mi away).
  • 🔄 Backwards, 92391 becomes 19329, which is not a ZIP code at all.
  • 👥 20 other ZIP codes are made of exactly the same digits (12939, 12993, 23919, 29319, 29913, 29931, …). The farthest-flung twin is 12993 in Westport, NY, 2,410 miles away.
  • 🧭 Farther south than 77% of all ZIP codes, and farther west than 90%.
  • 🎯1,097 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 92391 and you would come out at 34.24°S, 62.76°E — 1,025 miles from Port Louis, Mauritius, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 52m.
  • 📏 At 2.0 square miles of land, 92391 is bigger than 11% of ZIP codes — room for about 1.5 Central Parks.
🌙 The sky over 92391 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,254This ZIP2,254
Households948This ZIP948
Housing units1,622This ZIP1,622
Median age34.6This ZIP34.6California37.9US 38.9
Median household income$81,789This ZIP$81,789California$99,122US $80,734
Median home value$340,500This ZIP$340,500California$734,700US $332,700
Median gross rent$2,589This ZIP$2,589California$2,036US $1,413
Bachelor's degree or higher16.8%This ZIP16.8%
Mean commute22.6 minThis ZIP22.6 min
Population density1,139.0 / sq miThis ZIP1,139.0 / sq mi

Business and tax activity

Business establishments51This ZIP51
Employees171This ZIP171
Annual payroll$10,061,000This ZIP$10,061,000

Land area

Land area1.98 sq miThis ZIP1.98 sq mi
Water area0.00 sq mi

Other place names in 92391

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

ZIP codes near 92391

ZIPCityDistance
92378 Rimforest, CA 0.9 mi
92317 Blue Jay, CA 1.6 mi
92385 Skyforest, CA 1.8 mi
92325 Crestline, CA 2.3 mi
92352 Lake Arrowhead, CA 3.4 mi
92404 San Bernardino, CA 4.2 mi
92322 Cedarpines Park, CA 5.0 mi
92321 Cedar Glen, CA 5.2 mi
92369 Patton, CA 7.0 mi
92382 Running Springs, CA 7.5 mi

Find every ZIP code within 10 miles of 92391 →

Questions about this ZIP code

Where is ZIP code 92391?

92391 is in Twin Peaks, California, in San Bernardino County, part of the Riverside-San Bernardino-Ontario, CA metropolitan area. Its published point location is 34.2397, -117.2367.

What county is 92391 in?

92391 lies in San Bernardino County.

What area code is 92391?

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

What time zone is 92391 in?

92391 uses America/Los_Angeles.

How many people live in 92391?

About 2,254 people live in ZIP code 92391, in 948 households, at 1,139.0 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 92391?

$81,789 a year, against $99,122 across California.

What ZIP codes are near 92391?

The closest are 92378 (0.9 mi), 92317 (1.6 mi), 92385 (1.8 mi), 92325 (2.3 mi) and 92352 (3.4 mi).

Is 92391 a PO Box ZIP code?

92391 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “92391 ZIP Code — Twin Peaks, California (San Bernardino County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92391

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