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Nintendo Switch owners have always been able to access international versions of the eShop by adjusting the location settings on their Switch. The Argentinian eShop in particular has been known for carrying digital games at much lower prices than in other markets. Now it seems that Nintendo is cracking down on people taking advantage of this difference.
As reported by Universo Nintendo, attempting to purchase a game from the Argentinian eShop with a credit card issued in another country will result in the error code 2813-2470. If you look the error code up on Nintendo’s web site, you’ll see this message: “Payment may be restricted to credit cards issued in the same country as your Nintendo Account. For example, a credit card issued in Mexico will not work if your Nintendo Account is set to Argentina.”
It’s unconfirmed at this time if this restriction affects all countries, or just certain regions. It’s also possible that this is a temporary restriction, as Nintendo has not made any official statement on the impetus behind the decision. For now, you’re probably best off sticking to purchasing games on the eShop that’s native to your country.
Nintendo restricting foreign purchases from Argentina eShop
"restricted to credit cards issued in the same country"
gonintendo.com