https://www.siliconvalley.com/2023/12/20/where-is-santa-right-now/

There’s no one busier on Christmas Eve than Santa Claus, and one organization has been tracking his exceptional gift-giving abilities for more than 60 years.

This modern tradition actually started in 1955, “when a young child accidentally dialed the unlisted phone number of the (Continental Air Defense Command) Operations Center upon seeing an newspaper advertisement telling kids to call Santa,” according to the bi-national organization North American Aerospace Defense Command.