To keep our operations secret, we'll use a special code.

The phone number to be called is prefixed with a special code.

But only the President, with special codes, can order an attack.

If the owner answered, he had to give his special code or else the police would be sent.

There is no privacy on the air waves, so he used a special code.

Some of the special codes a person could get onto are in the chart below.

On the back of the calling card is a special code.

Bill wouldn't, for he was hell on secrets and special codes.

The report was in a special code, which he knew by heart.

This special code does not block the information from companies using call capture technology.