Ezekiel 40:46
40:46 and the chamber which faces north is for the priests who keep charge of the altar. These are the descendants of Zadok, from the descendants of Levi, who may approach the Lord to minister to him.”
Ezekiel 48:31
48:31 the gates of the city 1 will be named for the tribes of Israel; there will be three gates to the north: one gate for Reuben, one gate for Judah, and one gate for Levi.
1 sn See Rev 21:12-14.