You cannot find this information out from anyone at the facility (unless you have had prior communication with the counselor or case manager) and they happen to share this information. Inmates relegated to the hole are allowed to write letters. They are allowed one 15-minute phone call per week.
https://www.inmateaid.com/ask-the-inmate/find-out-if-inmate-is-in-the-hole#answer
Accepted Answer Date Created: November 10,2015