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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

  • Required documents【1†L1-L5】

  • Post‑paid: Alien Registration Card (ARC)

  • Prepaid: Passport

  • Student ID (optional but often requested)

  • Where to apply【1†L6-L9】

  • 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.

  • Contract basis【6†L1-L3】【10†L1-L3】

  • The Telecommunications Business Act governs all contracts for telecom services.

  • Payment options【1†L11-L13】

  • Credit card or cash for the device and monthly plan.

  • Choosing a plan【1†L14-L18】

  • Compare data limits and fees online; budget plans are available through the three main carriers and post offices.

  • Additional tips【1†L19-L24】

  • Ask about student discounts.

  • If you need help understanding the contract in Korean, use the police 112 interpretation service.

  • Hotlines for assistance

  • General foreign resident counseling: 132

  • Labor/worker issues (if any contract dispute): 1350

  • Multicultural support: 1577‑0071

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Sources fetched 2026-05-16 · Korean laws change — verify with the issuing authority before acting.