There’s not much time left to send out Christmas presents. The U.S. Postal Service’s parcel post deadline is this Friday. That’s the most affordable and convenient option for many people in Marion County. The first-class mail deadline is December 20th, the Priority Mail is the 21st, and Express Mail is the 22nd. Express Mail Military Service remains available until next Monday. There are a variety of other international deadlines as well, including some on Thursday.