Bring the holiday magic to your children with printable Santa letters you can personalize with free templates and print like it's fresh from the North Pole. You can download the letter that Santa created here.Once completed, you may drop off the letter at any time. We're no longer accepting letters for this year's program. You'll find instructions below on how to send a letter when we're back next holiday season! In them you will find the childlike wonder that makes the Christmas season so special. The following is a sample of this year's letters. The following is a sample of letters received this year. In them you will find the child-like wonder that makes the Christmas season so special. USPS Operation Santa is now accepting letters.