What's an Inmate Number?

What is the inmate ID number? The inmate ID number is similar to a free person's social security number. It is the number the Department of Corrections or Federal Bureau of Prisons uses to identify an inmate in all of their personal paperwork, and it is used for all prison operations that the inmate is involved in.

How many digits are in an inmate number?

Federal inmates have an eight-digit register number. The first five digits are unique to each inmate, while the last three digits are based on the federal sentencing court's location. For example, a BOP register number could be 12345-058.

How do I find an inmate's booking number?

Typically, the booking number will be listed in a box named "inmate number" or "booking number." Call the correctional institution where the person is or was being housed. If you know where the individual was incarcerated, you can call that institution and request the booking number.