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Finland’s postal service, Posti, is running a 2026 campaign to direct letters to Santa to his Main Post Office in Rovaniemi, Finnish Lapland. UK families can use a temporary mailbox in London from Nov. 4 to 8 or post letters to a campaign address by Dec. 15; Posti says letters with incomplete addresses can also be redirected.
Finland’s postal service, Posti, has launched a 2026 campaign to help letters addressed to Santa reach his Main Post Office in Rovaniemi, Finnish Lapland, rather than being sent with only the familiar “North Pole” address. UK families can use a temporary mailbox in London or mail letters to a campaign address, with letters due by Dec. 15 for delivery to Lapland in time for Christmas, according to the campaign details reported by MadeForMums.
The campaign, called North Pole Redirect, is aimed in part at countries including the UK, the United States and Canada, where families commonly address Santa’s letters to the North Pole. Posti says special mailboxes are being introduced in London, New York and Toronto, with collected letters sent to Santa Claus’ Main Post Office in Rovaniemi.
In the UK, the temporary mailbox is scheduled to be at Leicester Square from Nov. 4 through Nov. 8, 2026. Families who cannot visit can send letters to P.O. Box 2662, 275 New North Road, London, N1 7AA. The campaign says letters need to arrive by Dec. 15 to be collected and transported to Lapland. The report also says families can enter a social media challenge for a chance to win a trip to Rovaniemi; its entry rules and prize details are not provided in the supplied information.
Posti gives the postal address as Santa Claus’ Main Post Office, Arctic Circle, Finland. MadeForMums reports that Rovaniemi is recognized as Santa’s official hometown and that the city’s title was upheld by the European Union Intellectual Property Office through a registered trademark. That designation is separate from the postal campaign: the practical instruction for families is to address letters to the Main Post Office in Finland.
Getting Christmas Letters to Lapland
The campaign gives families a specific destination and deadline for letters they want included in the Christmas mail sent to Santa’s office. For parents and children, that can reduce uncertainty over whether a letter addressed only to the North Pole will be handled as intended, while the temporary mailboxes offer an in-person option in three cities.
Posti’s figures also suggest the service handles a large volume of seasonal mail. According to the report, Santa’s Main Post Office receives about 500,000 letters each year, with up to 30,000 arriving in a single day during the busiest weeks. Those numbers are attributed to the report and Posti material; they do not establish how many letters are misdirected or how many the new campaign will reroute.
The initiative is framed as a way to help children’s messages reach the Finnish post office, not as a warning that letters bearing “North Pole” will automatically be lost. Posti says postal services already redirect many letters with incomplete or incorrect addresses, so families who have already written that address may still have their letters delivered.
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Rovaniemi’s Santa Mail Service
Rovaniemi is in Finnish Lapland, on the Arctic Circle, and is home to Santa Claus’ Main Post Office, which is run by Posti. The report says the office has operated since 1985 and has received more than 25 million letters from over 200 countries over that period. These are cumulative figures, rather than a count for the 2026 campaign.
Letters do not all need a complete street-style address to reach the office. Posti says about 200,000 letters a year arrive in Lapland with missing or incomplete addresses, and even letters addressed simply “To Santa” can be delivered there. That gives useful context to the campaign’s message: the Finnish address is the clearest option, but the source does not say a North Pole address makes delivery impossible.
The tradition also extends beyond children, according to figures shared by Posti. MadeForMums reports that about 25% of letters received at the Main Post Office are written by adults. The report says roughly 75% ask for intangible things, including peace and love, though the provided material does not specify how those figures were measured or the period they cover.
““People write to Santa to be heard. Their hopes and wishes matter to us. By our estimate, millions of letters to Santa are misdirected every year, and we don’t want a single wish lost along the way.””
— Jenni Ihatsu, Posti’s vice president of brand and marketing
Redirect Rules and Campaign Details
Several practical details remain unclear from the information available. It does not explain exactly how letters are routed from the London, New York and Toronto mailboxes, whether families receive replies, or whether postage is required for letters sent to the UK campaign address. Families should check the campaign’s current instructions before posting if they need those details.
Posti’s statement that millions of letters are misdirected is an attributed estimate. The supplied material gives no underlying calculation, time period or comparison baseline, so the figure cannot be independently assessed here. It also does not say how many letters the campaign expects to collect or whether all letters arriving after Dec. 15 will be handled differently.
The report says existing postal services redirect letters with incomplete or incorrect addresses and that about 200,000 such letters reach Lapland annually. It does not describe the criteria or process used for those redirects. The campaign’s planned dates and locations are reported for 2026; readers should verify them if plans change.
UK Mailbox Opens in November
The next stated UK milestone is the temporary mailbox at Leicester Square, Nov. 4-8, 2026. Families using the postal option should send letters to the campaign’s London address early enough to arrive by Dec. 15. The campaign says collected letters will be transported to Lapland and delivered to Santa’s Main Post Office in time for Christmas.
Posti’s campaign also includes mailboxes in New York and Toronto, according to the report. The supplied material does not give their precise opening dates or locations. Further information about those sites, the social media challenge and any changes to the schedule would need to come from Posti or the campaign organizers.
Key Questions
What address should I use for a letter to Santa?
The address given by the campaign is Santa Claus’ Main Post Office, Arctic Circle, Finland. UK families can also use the campaign’s designated address: P.O. Box 2662, 275 New North Road, London, N1 7AA.
When is the UK deadline?
Letters sent to the UK campaign address must arrive by Dec. 15, 2026, according to the campaign information reported by MadeForMums. The temporary mailbox at Leicester Square is scheduled to operate from Nov. 4 to Nov. 8.
Will a letter addressed to the North Pole be lost?
Not necessarily. Posti says postal services already redirect letters with incomplete or incorrect addresses to Lapland, and that even letters addressed only “To Santa” can reach the Finnish post office. The campaign promotes the Rovaniemi address as the direct option.
Do children have to use the special mailbox?
No. UK families can visit the Leicester Square mailbox or use the campaign’s postal address. The source material does not specify whether postage is required or whether the campaign provides replies.
Source: madeformums.com
