Calhoun County Jail
Calhoun County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate / Booking Number if known]
Calhoun County Jail
416 4th Street
Rockwell City, IA 50579
Calhoun County Jail
416 4th Street
Rockwell City, IA 50579
Physical Address
416 4th Street, Rockwell City, IA 50579
Phone
Governing Agency
Calhoun 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 identifying number when known and include a complete sender return address.
Source: Official sourceLast verified: September 27, 2026
Confirm the facility's current photograph size, quantity and content restrictions before mailing.
Source: Official sourceLast verified: September 27, 2026
Confirm the facility's current approved publisher/vendor 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 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 Calhoun County Jail before mailing. Use the inmate's full booked/legal name and inmate / booking number when known. Mail to: Calhoun County Jail, 416 4th Street, Rockwell City, IA 50579. Include the sender's complete name and return address.
About Calhoun County Jail
Calhoun County Jail is the current county detention facility at 416 4th Street in Rockwell City.