numbercode
nounUK /ˈnʌmbə kəʊd/
US /ˈnʌmbər koʊd/
A number code is a secret set of numbers that you use to open or unlock something.
She typed the numbercode into the lock to open the door.
OTHER MEANINGS
2. A set of numbers used to identify a person or thing.
Each student has a numbercode for the library.
3. A pattern of numbers that stands for a word or message.
The spy wrote a numbercode to hide the message.
4. A number you press to make a phone call.
Dial the numbercode to reach the office.