My phone is in my front left pocket and I'm right handed. This is because of several reasons.
1/ I hold my phone with the left and tap the screen with the right.
2/ The volume control is on the left and it's easier to hit those with my left thumb instead of right index finger.
3/ If I have to write something down my right hand is free.
I can't understand why a right handed person would hold a phone with their right hand.