Facility record / California
USP Lompoc
Confirm the responsible system before acting.
USP Lompoc is a federal prison in Lompoc, Santa Barbara County, California. It has a rated capacity of 1,009 and a reported population of 947 — about 94% occupancy, as recorded in the February 2026 federal dataset. By capacity it is the 6th-largest of the 19 federal prison records listed for California with a published capacity. It is one of 12 correctional facilities in Santa Barbara 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
- (805) 735-2771
- Address
- 3901 Klein Blvd
Lompoc, CA 93436Open in maps - Official page
- Official page at bop.gov
- County
- Santa Barbara County
Facility details
Capacity
947 people in a facility designed for 1,009
As of the February 2026 federal dataset.
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.
Camps and annexes
| USP Lompoc Camp |
Other facilities in Santa Barbara County
| Facility | City | Type | Security |
|---|---|---|---|
| FCC Lompoc | Lompoc | Federal prison (Bureau of Prisons) | — |
| FCI Lompoc | Lompoc | Federal prison (Bureau of Prisons) | Minimum |
| FCI Lompoc I | Lompoc | Federal prison (Bureau of Prisons) | Low |
| FCI Lompoc II | Lompoc | Federal prison (Bureau of Prisons) | Low |
| Los Prietos Boys Camp | Santa Barbara | Juvenile facility | Juvenile |
| Santa Barbara County Main Jail | Santa Barbara | County or city jail | — |
| Santa Barbara County Medium Security Facility | Santa Barbara | County or city jail | Medium |
| Santa Barbara County Santa Maria Station Jail | Santa Maria | County or city jail | — |