I have managed to do this using Zapier.

Thanks but that doesn’t relate to the problem.  It is already a required field, but it doesn’t populate the customer info Phone number - just the shipping phone number. 

Hi We currently have required phone number for shipping which populates a field 'Shipping address phone number' however some customers dont add the phone number to their account so there is no phone number in contact info.   Is there a way to copy ov...