92377
ZIP 92377 is in Rialto, California, in San Bernardino County; area codes 909 and 840; Pacific time. Rialto has 2 ZIP codes; the other is 92376.
- Type
- Standard
- Time zone
- America/Los_Angeles
- County
- San Bernardino
- Metro area
- Riverside-San Bernardino-Ontario, CA
- Population
- 20,814
- Coordinates
- 34.1524, -117.4041
Weather right now
Asking the National Weather Service…
Where 92377 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.
- 🔢 Type 92377 into a pocket calculator and turn it upside down: LLEZG — not quite a word, sorry.
- ➕ 92377 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10110100011011001 - 🏠 Its numerical neighbours: 92376 (Rialto, CA, 3 mi away) and 92378 (Rimforest, CA, 12 mi away).
- 🔄 Backwards, 92377 becomes 77329, which is not a ZIP code at all.
- 👥 20 other ZIP codes are made of exactly the same digits (27379, 27937, 27973, 29377, 32779, 37729, …). The farthest-flung twin is 27973 in Shawboro, NC, 2,320 miles away.
- 🧭 Farther south than 78% of all ZIP codes, and farther west than 90%.
- 🎯1,108 miles west of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 92377 and you would come out at 34.15°S, 62.60°E — 1,015 miles from Saint-Denis, Reunion, the nearest big city to that spot.
- ☀Longest day of the year: 14h 26m of daylight. Shortest: 9h 52m.
- 📏 At 7.2 square miles of land, 92377 is bigger than 23% of ZIP codes — room for about 5.5 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 20,814This ZIP20,814 |
|---|---|
| Households | 5,519This ZIP5,519 |
| Housing units | 5,629This ZIP5,629 |
| Median age | 36.1This ZIP36.1California37.9US 38.9 |
| Median household income | $116,223This ZIP$116,223California$99,122US $80,734 |
| Median home value | $582,900This ZIP$582,900California$734,700US $332,700 |
| Median gross rent | $2,716This ZIP$2,716California$2,036US $1,413 |
| Bachelor's degree or higher | 25.2%This ZIP25.2% |
| Mean commute | 35.3 minThis ZIP35.3 min |
| Population density | 2,892.8 / sq miThis ZIP2,892.8 / sq mi |
Business and tax activity
| Business establishments | 230This ZIP230 |
|---|---|
| Employees | 5,807This ZIP5,807 |
| Annual payroll | $376,807,000This ZIP$376,807,000 |
| Tax returns filed | 10,730This ZIP10,730 |
| Total adjusted gross income | $741,551,000This ZIP$741,551,000 |
Land area
| Land area | 7.20 sq miThis ZIP7.20 sq mi |
|---|---|
| Water area | 0.00 sq mi |
Other place names in 92377
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 92377
| ZIP | City | Distance |
|---|---|---|
92376 | Rialto, CA | 3.2 mi |
92336 | Fontana, CA | 3.4 mi |
92334 | Fontana, CA | 4.5 mi |
92411 | San Bernardino, CA | 4.9 mi |
92407 | San Bernardino, CA | 5.1 mi |
92331 | Fontana, CA | 5.3 mi |
92335 | Fontana, CA | 5.7 mi |
92405 | San Bernardino, CA | 5.8 mi |
91739 | Rancho Cucamonga, CA | 6.5 mi |
92316 | Bloomington, CA | 6.6 mi |
Find every ZIP code within 10 miles of 92377 →
Questions about this ZIP code
Where is ZIP code 92377?
92377 is in Rialto, California, in San Bernardino County, part of the Riverside-San Bernardino-Ontario, CA metropolitan area. Its published point location is 34.1524, -117.4041.
What county is 92377 in?
92377 lies in San Bernardino County.
What area code is 92377?
Rialto uses area codes 909 and 840, from NANPA's telephone records.
What time zone is 92377 in?
92377 uses America/Los_Angeles.
How many people live in 92377?
About 20,814 people live in ZIP code 92377, in 5,519 households, at 2,892.8 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 92377?
$116,223 a year, against $99,122 across California.
What ZIP codes are near 92377?
The closest are 92376 (3.2 mi), 92336 (3.4 mi), 92334 (4.5 mi), 92411 (4.9 mi) and 92407 (5.1 mi).
Is 92377 a PO Box ZIP code?
92377 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “92377 ZIP Code — Rialto, California (San Bernardino County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/92377
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/92377.json Underlying data is public domain or openly licensed — sources, vintages and licences.