when is the last day to mail christmas cards

The last day to mail Christmas cards will depend on where you are located. In the United States, the last day to mail Christmas cards using First-Class Mail for delivery by December 25 is December 17th. For international mail, the deadline is December 15th. However, it is always best to check with your local post office or mail carrier for specific deadlines. It is also a good idea to mail early to ensure that your cards arrive on time.