Strange that he won't tell you a date to pick him up... Call the counselor or the case manager, see if they will share that information with you. If you don't know a date, and he won't tell you... maybe he has other arrangements??
https://www.inmateaid.com/ask-the-inmate/my-boyfriend-is-getting-released-pretty-soon-and-i-was-wondering-where-can-i-find-out-his-release-date-he-got-approved-for-everything-he-won-39-t-tell-me-on-the-phone#answer
Accepted Answer Date Created: December 31,2016