How do i contact the oklahoma state prison system? The number to call is: 1-877-650-4249. Collect calls may also be made to cell phones by calling the same number and setting up an account through GTL. List of Oklahoma State Prisons Charles E. "Bill" Johnson Correctional CenterWhat does the oklahoma department of corrections do for the public? The overall mission of the Oklahoma Department of Corrections is to protect the public, the employees, and the inmates and offenders. Inmate and Offender Lookup Inmate and Offender RecordsWhat are oklahoma inmate records search reports? You understand and agree that search reports will only be available with a purchase. Oklahoma inmate records document the official information of offenders held in correctional centers, state penitentiaries, and county jails across the state.What are the security levels of inmates in oklahoma? The Oklahoma Department of Corrections organizes security levels into four main groups: maximum, medium, minimum, and community. Most of the correctional facilities in the state are dedicated to housing only one group of inmates.