Central Naha, particularly around Kokusai-dori, has a small number of dedicated prepaid SIM shops geared toward foreign travelers.
Where to look
Shops cluster around Kokusai-dori, Naha’s main shopping street, making them easy to combine with a shopping stop.
What to bring
Japanese regulations require ID, typically a passport, to register a prepaid SIM.
Tip: Most shops activate a SIM the same day, often within a few minutes of purchase.
Airport versus city
The airport is more convenient right after landing, while city shops may have a wider selection to choose from.
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