If I enter the wrong address for a delivery, can I change it? Natalie W. April 08, 2020 16:56 Updated No. Once a delivery is accepted in the Postmates system, neither pickup nor dropoff addresses can be changed. Please cancel the delivery and replace it using the correct address(es). Related articles What if my customer isn’t available when the driver arrives? How do I cancel a delivery? Can I contact the Postmate during a delivery? Can Postmates send status updates to my customers?