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How to Register Mobile Billing in Korea

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🌍 Foreign Residents in Korea Series

Step-by-step guides for foreigners living in Korea — from address registration and visa to banking, taxes, and digital certificates.

How to Register Mobile Billing in Korea

In short

Mobile billing in Korea allows you to pay for online purchases through your phone bill. This guide explains how foreigners can register, verify identity, and activate this convenient payment service through major Korean telecom carriers.

      how to register mobile billing in Korea

What Is Mobile Billing in Korea?

Mobile billing (휴대폰 소액결제) lets users pay for online items, apps, or digital subscriptions using their mobile carrier’s payment system. The cost is added directly to your monthly phone bill or deducted from prepaid balance.

This system is supported by Korea’s three major telecom companies — SK Telecom, KT, and LG U+. Registration requires personal identity verification, especially for foreign residents with Alien Registration Cards (ARC).

Requirements for Foreign Residents

  • Valid Alien Registration Card (ARC)
  • Active Korean mobile number under your name
  • Registered with a telecom carrier (SKT, KT, or LG U+)
  • Internet access and mobile authentication app (PASS or carrier app)
💡 Tip Use the same name and ID number on your telecom account and ARC to avoid identity mismatches during verification.

How to Register Mobile Billing Step by Step

  1. Open your telecom carrier’s mobile app (SKT, KT, or LG U+).
  2. Log in using your registered mobile number and authentication method (PASS or text code).
  3. Navigate to Payment Services → Mobile Billing or 소액결제 등록.
  4. Agree to the terms and select your monthly spending limit (₩100,000–₩500,000).
  5. Complete identity verification with your ARC and mobile phone.
  6. Wait for confirmation message that mobile billing is activated.
💡 Tip If your mobile billing is not working, visit a nearby telecom store or call customer service to check your ID match and settings.

Frequently Asked Questions

  1. Q. Can foreigners use mobile billing in Korea?
    A. Yes. Foreigners with a valid ARC and a personal mobile account under their name can register for mobile billing with Korean telecom providers.
  2. Q. Is there a spending limit?
    A. Yes. Most carriers set default monthly limits between ₩100,000 and ₩500,000, which can be adjusted in your app settings or by visiting a telecom store.
  3. Q. Which app is required for identity verification?
    A. The PASS app is most commonly used, but telecom-specific apps also provide the same verification function for registration and authentication.

Notes

Note. Some prepaid or corporate mobile accounts may not be eligible for mobile billing registration. Always confirm your account type with your carrier before applying.

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