MDC Guaynabo
MDC Guaynabo
Federal Metropolitan Detention Center - Administrative SecurityMailing Address
[Inmate Full Name] — [Federal Register Number]
MDC Guaynabo
P.O. Box 2008
Cataño, PR 00963
MDC Guaynabo
P.O. Box 2008
Cataño, PR 00963
Physical Address
652 Buchanan Street, Guaynabo, PR 00965
Phone
Governing Agency
Federal Bureau of Prisons
Inmate ID
Federal Register Number — Required
Last Verified
September 28, 2026
Facility Mailing and Service Information
Follow current Federal Bureau of Prisons correspondence rules and include the inmate's full committed name and register number.
Source: Official sourceLast verified: September 28, 2026
Photos must comply with current Federal Bureau of Prisons content rules.
Source: Official sourceLast verified: September 28, 2026
Books and publications must follow current BOP publisher/source rules.
Source: Official sourceLast verified: September 28, 2026
Do not send money to the institution address; BOP inmate funds use the designated national processing center.
Source: Official sourceLast verified: September 28, 2026
Verify current MDC Guaynabo visitation approval, identification and scheduling requirements before travel.
Source: Official sourceLast verified: September 28, 2026
How to Address Your Letter
Use the inmate's full committed name and federal register number with MDC Guaynabo, P.O. Box 2008, Cataño, PR 00963. Do not use the physical street address for ordinary inmate correspondence.
About MDC Guaynabo
MDC Guaynabo is a Federal Bureau of Prisons metropolitan detention center in Guaynabo, Puerto Rico. The physical address is 652 Buchanan Street; inmate mail uses P.O. Box 2008 in Cataño.