Question
How do I sign up for a Korean mobile phone plan?
As of · sources retrieved from official Korean authorities
You need an Alien Registration Card for post‑paid plans (or a passport for prepaid), plus your student ID, then visit any major carrier’s store to submit the form and choose a plan; full details below. Breakdown below.
Details
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Required documents【1†L1-L5】
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Post‑paid: Alien Registration Card (ARC)
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Prepaid: Passport
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Student ID (optional but often requested)
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Where to apply【1†L6-L9】
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Any major mobile carrier (SK Telecom, KT, LG U+) or post office retail store. Bring the documents and fill out the carrier’s contract form.
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Contract basis【6†L1-L3】【10†L1-L3】
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The Telecommunications Business Act governs all contracts for telecom services.
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Payment options【1†L11-L13】
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Credit card or cash for the device and monthly plan.
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Choosing a plan【1†L14-L18】
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Compare data limits and fees online; budget plans are available through the three main carriers and post offices.
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Additional tips【1†L19-L24】
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Ask about student discounts.
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If you need help understanding the contract in Korean, use the police 112 interpretation service.
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Hotlines for assistance
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General foreign resident counseling: 132
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Labor/worker issues (if any contract dispute): 1350
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Multicultural support: 1577‑0071
Sources fetched 2026-05-16 · Korean laws change — verify with the issuing authority before acting.