Its different for everyone, trial and error is probably the only way to find out your calorie needs for bulking. I started on 3200 and now on 4000 cals.
Current Goals - HB squat : 140 kg, Bench: 100 kg, High Pull : 100 kg
"Take the risk of thinking for yourself, much more happiness, truth, beauty, and wisdom will come to you that way."
- Christopher Hitchens