I think if you have a feeling for what the range is, and you know for sure you are in the top of it, disclosing it is good as it establishes your value, and the

I think if you have a feeling for what the range is, and you know for sure you are in the top of it, disclosing it is good as it establishes your value, and they are less likely to waste your time, or make a stab in the dark offer that is too low and insulting.