As the USPS is collecting letters from children across the United States, someone will need to respond to all of those children.

Starting this week, the USPS will begin Operation Santa, allowing adults to respond to letters written by children. According to the USPS, potential adopters can read letters and pick one, or more, that they’d like to fulfill. USPS says for security reasons, potential adopters must be vetted by going through a short registration and ID verification process before they can adopt any letter.

The USPS says that the program is intended to help millions of less fortunate children. The program is for every person of every belief or non-belief, USPS says.

This is the third time Operation Santa has gone nationwide.

USPS says children who want to be possible recipients of holiday gifts can write a letter, put it in a stamped envelope with a return address, and send it to Santa’s official workshop address. Letters will be accepted Nov. 28 – Dec. 19.

Letters must be postmarked by Dec. 12.

The address is:

Santa Claus

123 Elf Road

North Pole, 88888

Those who want to respond to a child’s letter can do so by going to the Operation Santa website here.

WATCH: Santa Claus gets creative with technology, hits the airwaves

Updated: 5:26 AM EST Dec 2, 2021

It's been harder to visit face-to-face with Santa Claus over the past few years due to the ongoing coronavirus pandemic. But Santa is always coming up with new ways to stay in touch. Colorado's Longmont Amateur Radio Club, which has helped put Saint Nick on the airwaves and connect him with children across the state.Santa is using the technology to check his list, make sure children are ready for the holidays and answer their questions."She always says, 'Santa, how many cookies did you eat last night?" Santa told KUSA of one caller. "I don't know, I was too busy to count them." No radio? No problem. Santa said he's also available on Zoom. "If I can make someone laugh for 10 seconds somewhere in their day, that's worth any foolishness that I might do," Santa said.

CENTENNIAL, Colo. — Things are already getting festive in the Streets at SouthGlenn mall in Colorado.

They are kicking off the holiday season with a Christmas parade. And everyone is waiting for the guest of honor. Santa.

“It’s exciting, it’s thrilling, it’s magical. The children are the core of the magic of Christmas,” said Susen Mesco, with American Events and Promotions.

Susen Mesco is donning her Mrs. Claus outfit as she helps Santa at the holiday parade.

She also runs a Santa school and knows that it might be harder to book Santa for your holiday party this year.

“Usually, we do about 60 Santas live. They start in February with their classes,” said Mesco, “In the past couple years, because of travel situations and people not wanting to be in a conference situation, what we’ve found is about the half enrollment of the Claus Clan,”

The labor shortage that’s been impacting the whole country seems to have made its way to the North Pole as well.

“Seasonal labor is traditionally in the same target market where there’s been difficulty hiring,” said Jack Buffington.

He runs the supply chain program at the University of Denver and says it’s not shocking the labor issue is impacting Saint Nick.

“You think about it, it’s like a four-hour seasonal shift, making $20, $30 an hour. I mean, gosh, especially given the fact that most of the people who fit in this category are not supposed to be in public, big crowds, or around unvaccinated people,” said Buffington.

Mesco said a shortage of Santa’s is only part of the problem.

“This year, more people want to have a party,” she said

Demand is up, so if you’re trying to have a party on the weekend in December, you might have an issue finding a Santa. But of course, Mrs. Claus has a solution.

“You can have just as much fun on a Tuesday night. Smores and cookies taste just as good on a Tuesday night as they do on a Saturday. So if people are flexible, Santa’s are going to be able to make it to every one of those parties,” said Mesco.

Just like everything else we’ve been through the last year and a half, a little flexibility goes a long way.

And maybe it shouldn’t be so shocking that there’s a shortage of Santas this year.

“I don’t know why everyone is so surprised. There’s only one Santa Claus,” said one of Santa's elves.

And there’s one night. He should definitely be available.

“Boys and girls, don’t forget that if you’ve been good, no matter what happens, Santa will be there on Christmas Eve,” said Mesco.