A few dedicated prepaid SIM shops operate within walking distance of Kyoto Station’s central exit, generally with English-speaking staff and same-day activation.
Where to look
Shops cluster within a short walk of the central and Hachijo exits, making them easy to find without much detour from the main concourse.
What to bring
Japanese regulations require ID, typically a passport, to register a prepaid SIM, so having it ready speeds up the purchase.
Tip: Most shops activate a SIM the same day, often within a few minutes of purchase, so this is a practical stop right after arrival.
If a shop is out of stock
Trying a second nearby shop or a convenience store SIM as a backup avoids losing much time if your first stop does not have what you need.
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