Grant County Jail
Grant County Jail
County JailMailing Address
[Resident / Inmate Full Name] — [ID if known]
Grant County Jail
P.O. Box 37, Ephrata, WA 98823
Grant County Jail
P.O. Box 37, Ephrata, WA 98823
Physical Address
Ephrata, WA 98823
Governing Agency
Grant County Sheriff's Office
Inmate ID
Inmate / Booking ID — Not required
Last Verified
September 29, 2026
Facility Mailing and Service Information
Use the incarcerated person's full legal name and booking/inmate ID if known. Verify the facility's current mail rules before sending.
Last verified: September 29, 2026
Verify current photo size, quantity and content restrictions before sending photographs.
Last verified: September 29, 2026
Verify current publication and package rules before sending books or packages.
Last verified: September 29, 2026
Do not send cash with ordinary correspondence. Use the facility's approved deposit method.
Last verified: September 29, 2026
Verify current visitor approval, identification and scheduling requirements before travel.
Last verified: September 29, 2026
How to Address Your Letter
Use the incarcerated person's full legal name and booking/inmate ID if known. Verify the facility's current mail rules before sending.
About Grant County Jail
Grant County Jail is a Washington county, regional, juvenile or local detention record reviewed on 2026-09-29.