Open Mailbox With Raised Flag Emoji📬 An open blue mailbox with a letter envelope inside, resting on a brown cylindrical post. If you see the Open Mailbox with Raised Flag emoji object, it means that you have recently received mail. It could also mean that the outgoing mail is ready to be picked up at the post office.
When Unicode 6.0 was accepted in 2010, the Open Mailbox with Raised Flag was added to Emoji 1.0.
📬 Incoming Mail
📬 Recently Arrived Mail
📬 Mailbox With Letter Envelope
📬 Outgoing Mail
📬 Full Mailbox
📬 Open Mailbox With an Envelope