How to send a short message with a hidden mobile phone number? thank you

If you put 1680 in front of the other party's number when sending a text message, you will hide your number, ............. This person has ulterior motives.

But if the other party goes to the business hall to print a detailed list, they will see your number and know who you are.

Both of the above methods are more expensive than usual, 1 cent.