Holt County Jail
Holt County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate / Resident Full Name]
Holt County Jail
P.O. Box 146, O'Neill, NE 68763
Holt County Jail
P.O. Box 146, O'Neill, NE 68763
Physical Address
204 N. 4th Street, O'Neill, NE 68763
Governing Agency
Holt County Sheriff's Office
Inmate ID
Inmate / Booking ID — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use the incarcerated person's full legal name and a complete sender return address. Verify the current Holt County Jail correspondence rules before mailing.
Last verified: September 27, 2026
Verify current photo size, quantity and content restrictions before sending photographs.
Last verified: September 27, 2026
Verify current book, publication and package rules before sending.
Last verified: September 27, 2026
Do not mail cash unless explicitly permitted. Use the facility's current approved inmate-account deposit method.
Last verified: September 27, 2026
Verify current visitor approval, identification and scheduling requirements before travel.
Last verified: September 27, 2026
How to Address Your Letter
Use the incarcerated person's full legal name and a complete sender return address. Verify the current Holt County Jail correspondence rules before mailing.
About Holt County Jail
Holt County Jail is a Nebraska county or juvenile detention facility record reviewed for current status and mail routing on 2026-09-27.