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Federal Correctional Institution · Low security · California

FCI Lompoc II
Address, Mail & Visiting Guide

How to write to, mail something to, and visit someone at FCI Lompoc II, a Federal Bureau of Prisons facility. Last reviewed November 2026. Always confirm details on the official BOP page.

Operated By
Federal Bureau of Prisons
Phone
(805) 735-2771
Location
Lompoc, CA
California
About
Federal Correctional Institution · Low security · Men's facility
📇 What you'll need: the person's full legal name and their 8-digit federal register number (like 12345-678). Mail, visits and deposits all use it to route correctly. Not sure of it? Look them up in the BOP inmate locator.
Facility Address

Street address: FCI Lompoc II, 3901 Klein Blvd, Lompoc, CA 93436.
Phone: (805) 735-2771

How to Send Mail

Address mail to the inmate's full name and 8-digit federal register number (for example 12345-678), then FCI Lompoc II, 3901 Klein Blvd, Lompoc, CA 93436. Use the PO Box, not the street address. If the person is housed in a camp or satellite unit at this institution, confirm the exact box on the official BOP page first.

Inmate mail address:
Inmate full name and register number
FCI Lompoc II
3901 Klein Blvd
Lompoc, CA 93436

Visiting

Visitors must be approved and on the inmate's visiting list before the first visit. Visiting days and hours vary by facility and housing unit and can change, so check the official BOP page and call (805) 735-2771 before you travel.

Official BOP page for FCI Lompoc II →

Sending Money

Do not send money to the facility address. The BOP routes all funds sent by mail through a processing center in Des Moines, Iowa, and also accepts online deposits. Our guide to sending money covers the common methods, and the official BOP page lists the approved ones.

⚠️ Double-check before you send anything. Facility rules, addresses and approved vendors can change with little notice. Confirm current details on bop.gov before mailing letters, packages or money.
Related Guides
How to Write a Letter → What Can You Send Them? → How to Send Money → All federal prisons Facility directory Browse Inmate Pen Pals
Other Federal Prisons in California
FCI Herlong FCI Lompoc I FCI Mendota FCI Victorville Medium I FCI Victorville Medium II MCC San Diego MDC Los Angeles USP Atwater USP Victorville

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