ZIP code 91759
Where is ZIP code 91759?
Mt Baldy, California
San Bernardino County · PO Box only ZIP code
ZIP code 91759 belongs to Mt Baldy, California in San Bernardino County. 91759 is a PO Box only ZIP code: it is used for post office boxes at the Mt Baldy post office, not for street addresses. It is in the Pacific Time zone and uses area codes 626, 661, 840 and 909. About 341 people live in the 91759 area, where the median household income is $122,583. The closest ZIP codes are 92358 (Lytle Creek, 2 mi east), 91739 (Rancho Cucamonga, 5.7 mi south) and 91737 (Rancho Cucamonga, 7.2 mi south).
| ZIP code | 91759 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Mt Baldy |
| State | California (CA) |
| County | San Bernardino County |
| Time zone | Pacific Time · now |
| Area codes | 626, 661, 840, 909 |
| Coordinates | 34.2487, -117.5524 map |
| 3-digit prefix | 917 |
Population and income in 91759
| Population | 341 · lower than 90% of California ZIP codes |
|---|---|
| People per square mile | 4 · lower than 93% of California ZIP codes |
| Median age | 55.1 years · higher than 88% of California ZIP codes |
| Men / women | 58% / 42% |
| Median household income | $122,583 · higher than 75% of California ZIP codes |
| Income per person | $59,323 |
| Below the poverty line | 1.8% |
| Bachelor’s degree or higher | 64% of adults 25+ |
| Median home value | $375,000 · lower than 81% of California ZIP codes |
| Median rent | $1,667 a month |
| Housing units | 335 |
| Households | 175 (1.95 people on average) |
| Owners / renters | 86% / 14% |
| Land area | 82.53 sq mi |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 91759. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 91759
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 92358 | Lytle Creek, CA | 2 mi E | Standard |
| 91739 | Rancho Cucamonga, CA | 5.7 mi S | Standard |
| 91737 | Rancho Cucamonga, CA | 7.2 mi S | Standard |
| 91701 | Rancho Cucamonga, CA | 8.1 mi S | Standard |
| 92397 | Wrightwood, CA | 8.9 mi NW | Standard |
| 92407 | San Bernardino, CA | 9.5 mi E | Standard |
| 91784 | Upland, CA | 9.6 mi SW | Standard |
| 91730 | Rancho Cucamonga, CA | 10.1 mi S | Standard |
| 91729 | Rancho Cucamonga, CA | 10.1 mi S | PO Box only |
| 92377 | Rialto, CA | 10.6 mi SE | Standard |
| 91785 | Upland, CA | 11.1 mi SW | PO Box only |
| 91786 | Upland, CA | 11.1 mi SW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 91759 or measure the distance to another ZIP code.
How to address mail to 91759
PO BOX 123
MT BALDY CA 91759
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (91759-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 91759?
- 91759 is a Mt Baldy, California ZIP code.
- What county is 91759 in?
- ZIP code 91759 is in San Bernardino County, California.
- What time zone is ZIP code 91759 in?
- 91759 is in the Pacific Time zone (America/Los_Angeles).
- What area code is 91759?
- Phone numbers in ZIP code 91759 use area codes 626, 661, 840 and 909.
- What is the population of ZIP code 91759?
- About 341 people live in ZIP code 91759, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 91759?
- The median household income in 91759 is $122,583 a year, higher than 75% of California ZIP codes.
- Can I use 91759 for a street address?
- No. 91759 is only for PO Boxes. Street addresses in Mt Baldy use another ZIP code.
- What ZIP codes are near 91759?
- The nearest ZIP codes to 91759 are 92358 (Lytle Creek, 2 miles), 91739 (Rancho Cucamonga, 5.7 miles), 91737 (Rancho Cucamonga, 7.2 miles) and 91701 (Rancho Cucamonga, 8.1 miles).