Sometimes it is necessary that with a call the own call number does not appear with the called contact. If you want to make a call on your iPhone that you do not want to show but suppress your own number, then you must set the following option in the system settings of the smartphone:
Instructions for suppressing your own number with an iPhone:
To do this, first of all, select the menu item "Phone". Next, you will see the entry "Send my caller ID" – Use the switch to deactivate this option. All outgoing calls are now made with suppressed number.
This means that the called contact receives an "Unknown number" or "Private number" instead of your phone number. You now know how to simply suppress your own phone number on the iPhone.