Deleting Phone Numbers
You can delete a phone number that is not a valid phone number and not set as a Primary phone number.
To delete an existing phone number that is set as Primary, you must set another phone number as Primary and delete the previous phone number.
Note: Create a new phone number if one does not exist.
To delete a phone number, expand the Phone Numbers section on the details page and click corresponding to a phone number. Click to confirm the deletion.
To delete multiple phone numbers for a record: