Cowley County Jail
Cowley County Jail
County Jail / Adult Detention FacilityMailing Address
[Inmate Full Legal / Booked Name] — [Inmate ID if known]
Cowley County Jail
P.O. Box 47, Winfield, KS 67156
Cowley County Jail
P.O. Box 47, Winfield, KS 67156
Physical Address
311 E. 9th Avenue, Winfield, KS 67156
Governing Agency
Cowley County Sheriff's Office
Inmate ID
Inmate / Booking Number — Not required
Last Verified
September 27, 2026
Facility Mailing and Service Information
Verify the person is currently housed at Cowley County Jail before mailing. Use the inmate's full legal/booked name and inmate ID when known. Mail to Cowley County Jail, P.O. Box 47, Winfield, KS 67156. Include a complete sender return address.
Last verified: September 27, 2026
Confirm current photograph size, quantity and content restrictions before mailing. Do not send irreplaceable originals.
Last verified: September 27, 2026
Confirm current approved publisher/vendor and package rules before ordering books, magazines or newspapers.
Last verified: September 27, 2026
Do not enclose cash unless specifically authorized. Use the facility's current approved inmate-account deposit method.
Last verified: September 27, 2026
Verify current custody, visitor approval requirements and the current visitation or video-visitation schedule before traveling.
Last verified: September 27, 2026
How to Address Your Letter
Verify the person is currently housed at Cowley County Jail before mailing. Use the inmate's full legal/booked name and inmate ID when known. Mail to Cowley County Jail, P.O. Box 47, Winfield, KS 67156. Include a complete sender return address.
About Cowley County Jail
Cowley County Jail is a Kansas county detention/corrections record reviewed for current mailing and facility status on 2026-09-27.