How to write to someone at FDC Philadelphia
Mail personal letters to the address below, filling in the person's name and ID number where marked.
Checked against the department's own pages . How we check, and corrections
MAIL TO
Dashed lines are for you to fill in, in the department's own words.
Mail and parcels for people held here use the same facility address. On the first line, write the person's full sentenced name and their register number.
Legal mail from lawyers and courts has its own address or rules: see the department's mail page.
- Where letters go
- To the prison
- What happens to them
- Depends on the prison
- What they get
- Depends on the prison
“Starting in November 2024, in institutions other than minimum-security facilities, all general correspondence (including photos and commercial greeting cards) sent to an adult in our custody will be photocopied, and only the photocopies will be provided to...” Department source
Street address (not for letters unless the department says so): 700 ARCH STREET, PHILADELPHIA, PA 19106
“"General correspondence" is opened and inspected by staff for both contraband and content that might threaten the security or good order of the institution.”
No one at FDC Philadelphia is listed yet. Know someone there who wants mail? List them for $50.
TRULINCS and CorrLinks
The person inside adds you first.
- The person in federal prison adds your name and email address to their TRULINCS contact list. You cannot start this from the outside.
- Prison staff review and approve the contact.
- CorrLinks emails you an invitation with an identification code. It is only valid for 10 days.
- Create or sign in to a CorrLinks account and enter the identification code (not the register number) to accept, or choose to block.
- Once you accept, you can exchange text-only messages through CorrLinks.
Questions
What is the mailing address for FDC Philadelphia?
INMATE NAME & REGISTER NUMBER, FDC Philadelphia, FEDERAL DETENTION CENTER, P.O. BOX 562, PHILADELPHIA, PA 19105.
Is mail scanned at FDC Philadelphia?
It depends on the prison: Federal Bureau of Prisons's rules allow different handling at different facilities. Check its mail page.
Can I message someone at FDC Philadelphia electronically?
Federal Bureau of Prisons uses TRULINCS and CorrLinks. On TRULINCS and CorrLinks, the person inside has to add you first; you then accept an emailed invitation.
Can someone at FDC Philadelphia be listed on a pen pal site?
We found no rule in Federal Bureau of Prisons's published policies against it, and normal mail rules still apply. Rules change; the department's page is the final word.
Something wrong or out of date? Tell us and we fix it from the department's page. How we check.
Sources: FDC Philadelphia page, Federal Bureau of Prisons mail rules, read 2026-10-07. Rules change; the department's page is the final word. Find someone: official inmate locator.
How to write your first letter · All Federal Bureau of Prisons prisons and rules