It's a big-breakfast spot, with roots dating to 1959 in Pomona, where it was named Breakfast at Carl's, before moving north and shortening its name at some later point, the '80s or '90s.

Hola patric you need ask in the restaurante or you can Apply online

You usually don't need reservations. But if you are plan to go with large group say 5 or more it wouldn't hurt to call. I would especially call and make reservations if you plan on going Easter Sunday.