I have a buyer who did not read the description of one of my items and may return it.

I just went to update my return address as I recently acquired a PO Box  and I noticed that I my mobile number is included and I can't remove it.

If the buyer does decide to initiate a return, will it display that number for her as well as the address?

I thought by having the PO Box it would give me a layer of security but giving my number out to an upset buyer removes all that.