Facility record / California
FCI Herlong
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FCI Herlong is a federal prison in Herlong, Lassen County, California, operated by Federal Bureau of Prisons. It is one of 8 correctional facilities in Lassen County.
Jail411 does not hold custody records. A listing here does not mean anyone is held at this address. Confirm the person’s location with the responsible agency before you travel, send money, or pay for a service.
Where this record came from. The contact, status and security fields, with capacity and population, come from the HIFLD and Federal Bureau of Prisons directory release refreshed February 2026. They describe the record, not today’s population. Check the facility’s current official website.
Contact this facility
- Phone
- (530) 827-8000
- Address
- 741-925 Access Road A-25
Herlong, CA 96113Open in maps - Official page
- Official page at bop.gov
- [email protected]
- County
- Lassen County
Facility details
Listed as open in the February 2026 directory release.
Finding someone
Federal Bureau of Prisons inmate locator
Before you travel, pay, or mail anything
Get two things first: which facility the person is actually in, and their booking or ID number. Almost nothing works without them. Then check this facility’s current instructions — rules and service providers change.
Other facilities in Lassen County
| Facility | City | Type | Security |
|---|---|---|---|
| Antelope Conservation Camp #25 | Susanville | Correctional facility | Minimum |
| Herlong FCI | Herlong | Federal prison (Bureau of Prisons) | Medium |
| Herlong FCI Camp | Herlong | Federal prison (Bureau of Prisons) | Minimum |
| High Desert State Prison (HDSP) | Susanville | State prison | Maximum |
| Intermountain Conservation Camp #22 | Bieber | Correctional facility | Minimum |
| Lassen County Adult Detention Facility | Susanville | County or city jail | — |
| Lassen County Juvenile Detention Facility | Susanville | Juvenile facility | Juvenile |