In many EU countries, you can buy sim cards from some vending machine, in a grocery store or places where you can buy international telephone cards. No ID required. But phone plans are often tied to your home internet.

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em-bee a day ago | parent [-]

are you sure no ID is required to activate the cards? at least in austria and i believe in germany you can't get a sim card without an ID.

	▲	marci a day ago \| parent [-]
		If you get a lyca sim card, even there you don't need ID to use it. There might be some restrictions after a month though.