The phrase "number keypad" refers to a set of keys on a keyboard or device that allows you to input numbers quickly, usually arranged in a grid format.
Sentences with «number keypad»
Either hit the button on the fob, or use the antiquated numbered keypad on the door. (bestride.com)
A hidden number keypad that can only be revealed with this secret swipe shortcut (at least I think it's the only way): (lovemyfire.com)
We found it easier to use than just a simple number keypad though. (cellphonesignal.com)