CTF splits mail into 3 published P.O. Boxes. One of them, for the closed Facility D, may no longer be accurate, so confirm before you mail.
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CDCR’s official facility page for Correctional Training Facility lists 3 mailing addresses: a shared box for Facility A and Facility B, a separate box for Facility C, and a box labeled for Facility D. That last one needs an important caveat. CTF’s Facility D closed in 2021, according to CDCR’s own published facility details, but the mailing-address list still shows a Facility D P.O. Box. It’s possible CDCR hasn’t updated that list since the closure. If you’re told someone is housed in Facility D, don’t assume the old box is still active. Call the institution first to confirm the correct current address. This guide walks through every box, how to address an envelope correctly, and what CTF accepts.
CDCR’s own facility page for Correctional Training Facility lists these boxes:
| Purpose | P.O. Box |
|---|---|
| Facility A and Facility B (shared) | P.O. Box 705, Soledad, CA 93960 |
| Facility C | P.O. Box 689, Soledad, CA 93960 |
| Facility D (see the note below) | P.O. Box 690, Soledad, CA 93960 |
There’s no separate box published for legal mail or inmate funds, so use the correct facility box for all mail, including money orders, unless the institution tells you otherwise when you call.
CTF’s Facility D was a Level I Non-Designated Programming Facility unit with 6 dorms and a bed capacity of 1,012. According to CDCR’s own published facility details, Facility D closed in 2021. CTF is now made up of Facility A and B (a combined Level II unit) and Facility C (a Level II unit with its own Administrative Segregation Unit).
Even so, CDCR’s mailing-address list for CTF still shows a P.O. Box labeled for Facility D. This looks like a simple case of CDCR not updating that specific list since the closure, instead of Facility D having reopened. If anyone, including the person you’re writing to, tells you they’re housed in Facility D, call CTF at (831) 678-3951 to confirm the correct current mailing address before you send anything. Don’t assume the old Facility D box is still the right one to use.
If the person is housed in Facility A or Facility B, both share one box:
[Full Legal Name, CDCR Number]
Correctional Training Facility, Facility A/B
P.O. Box 705
Soledad, CA 93960
If the person is housed in Facility C:
[Full Legal Name, CDCR Number]
Correctional Training Facility, Facility C
P.O. Box 689
Soledad, CA 93960
If you’re not sure which facility the person is in, or if you’re told they’re in Facility D, call CTF at (831) 678-3951 before mailing. Given the closure discrepancy above, guessing which box to use could send your letter to the wrong place or delay it.
Regardless of which box you’re using, always write the person’s full legal name and their CDCR number on the envelope. This is how CDCR staff route mail internally to the correct housing unit.
People do get transferred between CDCR institutions, and they can also move between facilities within CTF itself. Check CIRIS at ciris.mt.cdcr.ca.gov, or ask the person directly, to confirm they’re still at CTF and which facility they’re currently in, before you send a letter, especially if some time has passed since you last heard from them.
Standard letters, greeting cards, and photos are generally accepted. Keep to plain paper and cards without stickers, glitter, tape, or anything glued on, since those items get mail rejected.
Photos are generally allowed within CDCR’s limits: no Polaroids, since the backing can conceal contraband, and nothing larger than 8x10. Avoid nude or sexually explicit images, gang-related content, and anything depicting drugs or weapons, which will be rejected. There’s usually a limit on how many photos per envelope, so send a reasonable number and confirm current limits with the institution if you plan to send many. You can also send photos through Pigeonly without printing anything yourself. Upload the photos online and Pigeonly prints and mails them to CTF for you.
CTF’s facility page doesn’t list a separate box for legal mail. If you’re an attorney or legal representative, mark your envelope clearly as legal mail and call (831) 678-3951 to confirm the current handling process and correct address for it, since legal mail is opened only in the presence of the incarcerated person to check for contraband, not read.
Incoming personal mail is opened and inspected for contraband before delivery. If a piece is rejected, the person is typically notified and told why, and the item may be returned to sender or held. Following the plain-paper, no-attachments rules is the best way to avoid a rejection.
You can’t mail a personal package straight to the person. Approved packages, including quarterly packages, come through CDCR’s contracted package vendor, which the person or an approved family member orders from. Contact the institution at (831) 678-3951 or check CDCR’s approved vendors page for the current process.
Don’t mail cash. Since CTF’s facility page doesn’t list a separate inmate-funds box, send a money order or check to the person’s specific facility box, and confirm the correct address by calling (831) 678-3951 before mailing a large amount, especially given the Facility D discrepancy noted above. You can also send an electronic deposit through GTL/ConnectNetwork, JPay, or Access Corrections. See the CDCR send-money guide for the full process, fees, and how restitution affects deposits.
6 of 12 questions
It depends on the housing facility. Facility A and Facility B share P.O. Box 705, Soledad, CA 93960. Facility C uses P.O. Box 689, Soledad, CA 93960. If you're told someone is in Facility D, call (831) 678-3951 to confirm first, since Facility D closed in 2021 but CDCR's mailing list still shows a box for it.
MailNo. Facility D closed in 2021, per CDCR's own published facility details. CDCR's mailing-address list for CTF may not have been updated to remove the old Facility D box, so treat any reference to Facility D as something to confirm by phone instead of assuming it's correct.
MailWe don't know for certain. The most likely explanation is that CDCR's mailing-address list hasn't been updated since Facility D closed in 2021. Call CTF at (831) 678-3951 to confirm the correct address instead of using the listed Facility D box.
MailIt can delay delivery while staff reroute it to the correct housing area. If you're not sure which facility the person is in, call (831) 678-3951 to confirm instead of guessing.
MailAsk the person directly, or check CIRIS at ciris.mt.cdcr.ca.gov. If you can't confirm which facility they're in, call (831) 678-3951 before mailing anything.
MailCheck CIRIS at ciris.mt.cdcr.ca.gov, or ask the person directly, especially if it's been a while since your last letter, since transfers between CDCR institutions and between facilities within CTF do happen.
MailYes, within CDCR's limits: no Polaroids and nothing larger than 8x10. Avoid nudity, gang references, and images of drugs or weapons, which get rejected. There's usually a per-envelope limit, so send a reasonable number. You can also send photos through Pigeonly, which prints and mails them for you.
MailNew books and magazines generally must come directly from an approved publisher or vendor, not mailed by you personally. Check CDCR's approved vendors and disapproved-publications rules before ordering.
MailNo. Personal packages aren't accepted directly. Approved packages come through CDCR's contracted package vendor, ordered by the person or an approved family member.
MailCTF's published facility page doesn't list a separate legal-mail box. Mark your envelope clearly as legal mail and call (831) 678-3951 to confirm the correct address and current handling process before mailing.
MailStickers, glitter, tape, glued-on items, cash, Polaroids, oversized photos, and any content seen as contraband, gang-related, or explicit. Stick to plain paper and cards.
MailNever send cash. Mail a money order or check to the person's facility box, confirming the correct address by phone first, especially given the Facility D discrepancy, or use an electronic deposit through GTL/ConnectNetwork, JPay, or Access Corrections. See the CDCR send-money guide for details.
MailConfirm the person is still housed here and which facility before you mail.
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All information on this page comes directly from official government and facility sources. How we verify information › Last verified July 20, 2026.