What if I’m unable to fulfill a Large or catering order? Linh Lam Updated October 11, 2016 15:51 Follow Give Customer Care a call at (877) 585-1085 and we'll sort it out. Related articles Can I opt out of receiving preorders? What should I do if my driver hasn’t picked up an order? How do I delete a size from a size prompt? How do I add or update the labels for my menu items? Learn how to use Grubhub for Restaurants Comments 0 comments Article is closed for comments.