When to mail a letter to Santa: Christmas deadlines
In 2026, mail Santa’s reply between November 23 and December 1 for a North Pole postmark, and send your child’s letter to Santa by December 5. Print at home has no cutoff.
Updated
What to check before mailing
Two different things hide inside "mail a letter to Santa": your child writing to Santa, and a letter arriving from him. Here are the 2026 dates for each:
| Option | What it is | 2026 dates |
|---|---|---|
| North Pole postmark programs | You write Santa’s reply yourself and mail it off with postage; it comes back stamped from the North Pole. | Mail between November 23 and December 1; allow time for the round trip |
| Letters to Santa (gift-adoption programs) | Your child’s letter TO Santa, which generous adopters can answer with gifts. | Letters accepted from September 14; last call for children’s letters December 5. Adoptions open November 16 and close December 12. Gifts are not guaranteed |
| Mail-order letter services | Printed letters shipped to your door from paid services. Order cutoffs come early. | No single date; most close orders in the second week of December, so check the seller |
| Regular holiday mail | Anything you post yourself: cards, or a Santa letter you’re mailing to a relative’s house. | Lower 48 states: ground and first-class mail by December 17, priority by December 18, express by December 19. allow more time outside the lower 48 states |
| Print at home (this site) | Make a personalized letter from Santa and print it in minutes, free. | No cutoff; allow time to receive the PDF and print it |
Dates checked October 26, 2026.
Check the official dates: the postmark, letters-to-Santa and holiday-mail dates come from the programs’ own published 2026 instructions; seller cutoffs vary. Cutoffs can change, and delivery times vary by destination.
Getting the North Pole postmark
The classic postmark route is write-it-yourself: you write and sign Santa's reply, address it to your child, add postage, and mail it off to come back stamped from the North Pole. This year the postmark window is November 23 to December 1, so allow time for the round trip and send it inside that window. Need Santa's wording first? Start with the what-to-write guide.
Plan backwards from Christmas morning
Start with the number of days left. Christmas Day Countdown (opens in a new tab) keeps the running count, so you can count back from Christmas morning as you work through the steps below.
- Turn the dates into a plan. Write Santa’s reply a few days before the window opens on November 23 if you want the postmark. Order a mailed letter by the second week of December, and check the seller. A printed letter is ready in minutes any night.
- Choose your option early. Confirm that the program or seller serves your address.
- Read the current instructions. Check required postage, enclosures, and whether the cutoff is a postmark or arrival date.
- Allow a buffer. Leave time for processing, shipping, and any postal delays.
- Keep a backup. You can make a free Classic letter and print it at home, including on Christmas Eve.
If you're reading this after the cutoff
Take a breath. You haven't missed the letter, only the postmark. Pick Santa's handwriting, add your child's name and one proud moment from their year, and a print-ready letter from Santa is in your hands in minutes, free. Delivered by sleigh to the fireplace, no stamp required. Short on time tonight? The last-minute letter guide walks you through it, and our make-it-look-real guide covers the delivery stagecraft.
Common questions
When do I need to mail a letter to Santa in 2026?
For a North Pole postmark, mail Santa’s reply between November 23 and December 1. For your child’s letter to Santa in a gift-adoption program, letters are accepted from September 14 and the last call is December 5. Regular holiday mail to the lower 48 states: ground and first-class by December 17, priority by December 18, express by December 19. Most mail-order letter sellers close orders in the second week of December. A print-at-home letter has no cutoff. Dates checked October 26, 2026; confirm with the program, seller, or carrier you plan to use.
When is the last day to mail a letter to Santa?
There is no single deadline. In 2026 the North Pole postmark window is November 23 to December 1 and the last domestic mail date is December 19. See the first question above for every date.
What if we missed the mailing deadline?
You can still make a free Classic letter from Santa and print it at home, including on Christmas Eve. There is no postal cutoff. Allow time to receive the PDF and check your printer.
Does the post office write back to my child automatically?
Do not assume a reply is automatic. In a write-it-yourself postmark program, you supply Santa’s reply and the required postage, mailed between November 23 and December 1 this year. Gift-adoption programs are different: they let volunteers fulfill children’s wishes and do not guarantee a letter from Santa or a gift. Check the program’s instructions too.
Where can I find this year’s mailing deadlines?
Check the official website of the postal program, carrier, or seller you plan to use, since cutoffs can change. Our guide lists the 2026 dates we checked and what to confirm for your address.
Keep reading
Missed the mail? You haven't missed the letter
Make a personalized letter from Santa and print it at home in minutes, free, no shipping, no cutoff. Allow time for delivery and printing.