The Address label is a quest item used in the Tribal Totem quest. Players can obtain it by searching the crates south-east of the southern-most bank in East Ardougne in the RPDT Depot.
The player must then use the label on the southeastern most crate so that it is delivered to the Mansion. Players then need to talk to the RPDT employee to have the crate delivered. After which the player can teleport into his house to continue the quest by speaking to Wizard Cromperty and asking him to use his block teleport.