Letters to Strangers headquarters details
- City
- Upland
- State / region
- California
- ZIP / postal code
- 91786
- Country
- United States
- Phone
- +1 909 415 5271
- Founded
- 2013
- Website
- letterstostrangers.org
Location map
Open in Google MapsAll Letters to Strangers office locations
| City | State / region | Country | Type |
|---|---|---|---|
| Upland HQ | California | United States | Headquarters |
Showing the headquarters of 3 recorded locations. See every location in GraphIQ →
About Letters to Strangers
Letters to Strangers is headquartered in Upland, California, United States. Founded in 2013, the company has 3 recorded locations across 2 countries and employs approximately 11 people worldwide.
Where is Letters to Strangers's main office?
Letters to Strangers's main headquarters office is located at Upland, California 91786, United States. This is the company's primary corporate address.
Letters to Strangers regional offices
Beyond its headquarters in Upland, Letters to Strangers has recorded locations in United States and India.
Letters to Strangers contact information
The main switchboard for Letters to Strangers headquarters can be reached at +1 909 415 5271. Official website: letterstostrangers.org.
What does Letters to Strangers do?
Letters to Strangers is a global youth-run nonprofit that seeks mental illness treatment for youth.
Frequently asked questions
Where is Letters to Strangers headquarters?
Letters to Strangers's headquarters is located at Upland, California 91786, United States.
How many offices does Letters to Strangers have?
GraphIQ records 3 locations for Letters to Strangers across 2 countries, as of October 2026.
When was Letters to Strangers founded?
Letters to Strangers was founded in 2013 and employs approximately 11 people.
What is Letters to Strangers's phone number?
The main phone number for Letters to Strangers headquarters is +1 909 415 5271.
How many employees does Letters to Strangers have?
Letters to Strangers has approximately 11 employees (GraphIQ estimate, 2026).