ZIP Code 91759 – Mount Baldy, CA
Mount Baldy, California · Los Angeles County · Pacific time
| ZIP code | 91759 |
|---|---|
| City | Mount Baldy |
| State | California |
| County | Los Angeles CountySan Bernardino County |
| Population | 341 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 82.53 sq mi |
| Center (lat, long) | 34.2637, -117.6996 |
Area codes in this area
These are the area codes that most often serve ZIP 91759 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.
Map
Nearby ZIP codes
About ZIP 91759
ZIP code 91759 is assigned to Mount Baldy, California. It crosses 2 counties; most of its land is in Los Angeles County. Its Census area covers about 82.53 square miles of land. The closest neighboring ZIP is 91702 (Azusa), about 5.9 miles away.
Every address in 91759 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.
Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources