Who called from 7632373333

This number called, i answered, they hung up. I called back and they wouldnt answer.

they keep on calling me. when i answererd they hung up.

This number called and i didn't pick up untill the third time they called and they hung up.... then i callled back and noone answered

Sounds like someone is collecting a lot of good phone numbers. Stop calling them back to confirm YOUR number on their caller ID & just put a block on that number on your phone.