A notice board — a board or space used to post notifications and announcements; often used interchangeably with 'bulletin board'.
マンションの入口に新しいルールが告知板に貼ってあった。
A new set of rules was posted on the notice board at the apartment entrance.
公園の告知板でイベントの中止を知った。
I learned about the cancellation of the event from the park's notice board.
授業の変更は学部の告知板にも掲示されます。
Class changes will also be posted on the department's notice board.