O'Brien County Jail
O'Brien County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
O'Brien County Jail
P.O. Box 260, Primghar, IA 51245
O'Brien County Jail
P.O. Box 260, Primghar, IA 51245
Physical Address
240 1st Street NE, Primghar, IA 51245
Phone
Governing Agency
O'Brien County Sheriff's Office
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Use the inmate's full booked/legal name and send to O'Brien County Jail, P.O. Box 260, Primghar, IA 51245. Include the sender's complete name and return address.
Source: Official sourceLast verified: September 27, 2026
Confirm the jail's current photograph size, quantity and content restrictions before mailing. Do not send irreplaceable originals.
Source: Official sourceLast verified: September 27, 2026
Confirm the jail's current publisher/vendor, binding and package rules before ordering books, magazines, newspapers or parcels.
Source: Official sourceLast verified: September 27, 2026
Do not place cash in ordinary correspondence unless specifically authorized. Use the facility's current approved inmate-account deposit method.
Source: Official sourceLast verified: September 27, 2026
Verify current custody, visitor registration or approval requirements and the current visitation or video-visitation schedule before traveling.
Source: Official sourceLast verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at O'Brien County Jail before mailing. Use the inmate's full booked/legal name and inmate or booking number when known. Mail to: O'Brien County Jail, P.O. Box 260, Primghar, IA 51245. Include a complete sender return address.
About O'Brien County Jail
O'Brien County Jail is the current county jail / adult detention facility serving O'Brien County, Iowa.