Watched by the others, Dean pressed in the number code and the doors began to slide back.

Meanwhile, they have to break a balloon containing the number code using a stick given before the challenge.

There was a checkbook with entries in some complicated number code.

'He worked the message into the number code first,' said the Professor.

Serial number codes remain the same as on early 1949.

"We have number codes on the back of the mail forms," Griffin said.

On the bottom left is a number code denoting the country or organization.

It'll be easier if he uses letters and not his number codes.

The woman punched in a number code, then opened the door.

He did not answer but spoke in a number code to his mechanical assistant.