Change your phone number

Hope everything works out fine.

Was the message sent through an app or was it a call or text to your number? If it was a call or text, then you should call your service provider and tell them that your still receiving messages from a blocked number (maybe leaving out that it's your parents because they might not understand the situation).

Best advice I can give was already said ... change ur number, if you can afford it, then buy a new phone all together with a new number, but if not then just change your existing number on your current phone

I am sorry you have to go through that *hugs you* , but like the others had said it would be best to change your number or just get a new phone with a different number I do hope things get better for you, but for now try and hang in there your never alone remember that.