In support article, we will discuss where the return address comes from on your shipping labels for UPS, USPS, FedEx, GSO and Old Dominion.
As you have noticed, each shipping label has a return address at the top:
This address in Lead Commerce feeds from the Fulfillment Warehouse. So which ever warehouse is being used to fulfill the order (i.e. shipping from) will control the return address that prints on the label itself.