Washington State Penitentiary
Washington State Penitentiary
State PrisonMailing Address
[Incarcerated Individual Full Name] — DOC #[Six-Digit Number]
Washington State Penitentiary
1313 N. 13th Avenue
Walla Walla, WA 99362
Washington State Penitentiary
1313 N. 13th Avenue
Walla Walla, WA 99362
Physical Address
1313 N. 13th Avenue, Walla Walla, WA 99362
Phone
Governing Agency
Washington State Department of Corrections
Inmate ID
Six-digit WA DOC Number — Required
Last Verified
September 29, 2026
Facility Mailing and Service Information
Washington DOC Policy 450.100 governs incoming correspondence. Mail is subject to inspection and must include the incarcerated individual's name, six-digit DOC number, facility address, and sender return address.
Source: Official sourceLast verified: September 29, 2026
Photographs must comply with Washington DOC Policy 450.100; verify current size, content, and quantity restrictions before sending.
Source: Official sourceLast verified: September 29, 2026
Publications must follow current Washington DOC approved-vendor/publication rules.
Source: Official sourceLast verified: September 29, 2026
Do not send cash, personal checks, or stamps in ordinary mail. Use Washington DOC-approved Send Money procedures.
Source: Official sourceLast verified: September 29, 2026
Visitors must be approved and follow Washington State Penitentiary's current visiting schedule and rules.
Source: Official sourceLast verified: September 29, 2026
How to Address Your Letter
Use the incarcerated individual's full committed name, six-digit Washington DOC number, and the current Washington State Penitentiary address. Include a complete USPS-compliant sender return address.
About Washington State Penitentiary
Washington State Penitentiary in Walla Walla is a current Washington DOC prison facility at 1313 N. 13th Avenue.