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Diamond City Weekly

Living in Korea, explained properly.

Visas, banking, phone plans, taxes and housing — written for people who actually have to do it, and sourced from the published criteria.

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How to Get a SIM Card in South Korea: Passport to Postpaid, Step by Step

Getting a SIM card in South Korea is a decision tree, not a single purchase. Here is the full path — what a passport alone gets you, when you need an ARC, where to buy, and how to move from prepaid to postpaid.

how to get a sim card in south korea — Read guide

What's in this guide

  • Your status decides everything: a passport is enough for a prepaid SIM or eSIM, while postpaid plans require an alien registration card (ARC).
  • Buy at airport counters or online for pickup, and understand that prepaid numbers often fail Korean app identity verification.
  • After you receive your ARC, you can port your existing number to a postpaid plan or MVNO rather than starting over.

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