accesscode

noun
UK /ˈækses kəʊd/
US /ˈækses koʊd/

A secret set of letters or numbers that lets you open or use something.

Type the access code to open the door.


OTHER MEANINGS

2. A code used to gain entry to a building or restricted area.

The guard gave us the access code for the parking garage.

3. A sequence that unlocks a digital account or device.

She forgot her access code and could not check her email.

4. A special number that lets someone join a phone or online meeting.

The host emailed the access code for the video call.