Receiving an incorrect order and never receiving an order at all are two unfortunate scenarios that can happen when ordering through Postmates, especially when restaurants and delivery drivers are caught in a lunch rush. To provide a quick response for your troubles, Postmates has plenty of channels for you to contact support. Two of the easiest ways to get help: Reach out on their website or get customer service on social media. Postmates has team members that will respond to you on Facebook and Twitter.