When my ex was on probation and I needed to talk to his officer about some stuff he was doing, I believe I just called the probation office that I was pretty sure he would go through (it was closest to his house, I think), and explained that I was his ex-wife and needed to talk to his probation officer. They got me to the right person, although I don't remember if they were in that office or another.
It's not private information, or protected. But it's not something that they're going to put right out there and make it easy to find either. You will have to dig a bit to find it, and even if you do find it, the officer can't really tell you anything. The only reason my ex's talked to me was because I wasn't asking for info, I was providing it to him. it might be easier and more informative to just talk to your husband.
at 11:57 AM on Dec. 13, 2012