请问我几时可以打电话来知道面试的结果？Translate to English.

请问我几时可以打电话来知道面试的结果？Translate to English.
Which is correct? Please provide a better answer.
1May I know when I am possible to call in and ask for the interview result?
2)May I know when I can call in and ask for the interview result?
3)May I know when I can call to follow up on the interview result?
4)May I know when I can calland ask for the interview result?