Stop the presses! You know how most banks are glad to let you charge more than your credit limit and then charge you fees for the “courtesy?” CreditMattersBlog reports it turns out Chase will let you block these “over-the-limit” purchases. You just gotta call and ask for it, 1-800-432-3117. If you’re a Chase credit card customer and sometimes find yourself going over your credit limit and incurring fees, putting an over-the-limit block on your account could be just the thing.