ZIP code 92391
Where is ZIP code 92391?
Twin Peaks, California
San Bernardino County · PO Box only ZIP code
ZIP code 92391 belongs to Twin Peaks, California in San Bernardino County. 92391 is a PO Box only ZIP code: it is used for post office boxes at the Twin Peaks post office, not for street addresses. It is in the Pacific Time zone and uses area codes 840 and 909. About 2,254 people live in the 92391 area, where the median household income is $81,789. The closest ZIP codes are 92378 (Rimforest, 0.8 mi southeast), 92352 (Lake Arrowhead, 2.5 mi northeast) and 92325 (Crestline, 2.7 mi west).
| ZIP code | 92391 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Twin Peaks |
| State | California (CA) |
| County | San Bernardino County |
| Time zone | Pacific Time · now |
| Area codes | 840, 909 |
| Coordinates | 34.2379, -117.2348 map |
| 3-digit prefix | 923 |
Population and income in 92391
| Population | 2,254 · lower than 72% of California ZIP codes |
|---|---|
| People per square mile | 1,139 · higher than 53% of California ZIP codes |
| Median age | 34.6 years · lower than 79% of California ZIP codes |
| Men / women | 54% / 46% |
| Median household income | $81,789 · lower than 62% of California ZIP codes |
| Income per person | $30,629 |
| Below the poverty line | 14% |
| Bachelor’s degree or higher | 17% of adults 25+ |
| Median home value | $340,500 · lower than 86% of California ZIP codes |
| Median rent | $2,589 a month |
| Housing units | 1,622 |
| Households | 948 (2.33 people on average) |
| Owners / renters | 75% / 26% |
| Land area | 1.98 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 92391. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 92391
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 92378 | Rimforest, CA | 0.8 mi SE | PO Box only |
| 92352 | Lake Arrowhead, CA | 2.5 mi NE | PO Box only |
| 92325 | Crestline, CA | 2.7 mi W | PO Box only |
| 92385 | Skyforest, CA | 3.2 mi E | PO Box only |
| 92321 | Cedar Glen, CA | 4.8 mi E | PO Box only |
| 92322 | Cedarpines Park, CA | 5.4 mi W | PO Box only |
| 92404 | San Bernardino, CA | 6.7 mi S | Standard |
| 92369 | Patton, CA | 7.1 mi S | PO Box only |
| 92382 | Running Springs, CA | 7.3 mi E | PO Box only |
| 92405 | San Bernardino, CA | 7.5 mi SW | Standard |
| 92346 | Highland, CA | 7.7 mi S | Standard |
| 92407 | San Bernardino, CA | 9 mi W | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 92391 or measure the distance to another ZIP code.
How to address mail to 92391
PO BOX 123
TWIN PEAKS CA 92391
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (92391-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 92391?
- 92391 is a Twin Peaks, California ZIP code.
- What county is 92391 in?
- ZIP code 92391 is in San Bernardino County, California.
- What time zone is ZIP code 92391 in?
- 92391 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 92391?
- Phone numbers in ZIP code 92391 use area codes 840 and 909.
- What is the population of ZIP code 92391?
- About 2,254 people live in ZIP code 92391, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 92391?
- The median household income in 92391 is $81,789 a year, lower than 62% of California ZIP codes.
- Can I use 92391 for a street address?
- No. 92391 is only for PO Boxes. Street addresses in Twin Peaks use another ZIP code.
- What ZIP codes are near 92391?
- The nearest ZIP codes to 92391 are 92378 (Rimforest, 0.8 miles), 92352 (Lake Arrowhead, 2.5 miles), 92325 (Crestline, 2.7 miles) and 92385 (Skyforest, 3.2 miles).