South Korea Phone Number Regulatory Requirements

Stay compliant1 min readUpdated 2026-03-14

South Korean phone numbers have strict regulatory requirements. Most number types are available to businesses only.

Available on: All plans


By number type

TypeAvailable toKey requirements
Local (+82)Businesses only (not individuals, resellers, or ISVs)Business Registration Certificate, local address, KR-BRN, website, SK Corporate Service Application Form, Corporation Seal Verification Certificate or CEO's government ID
National (+82 70)Businesses onlyCertificate of Business Registration, SK Corporate Service Application Form
Mobile (+82 10/11/16)Individuals and businessesIndividuals: government ID. Businesses: registration documents.
Toll-free (+82 80/308)Businesses only (not resellers/ISVs)Same as local numbers

Regulatory update (December 11, 2025)

  • The Carrier Application Form must include a corporate seal or CEO signature.
  • A Corporation Seal Verification Certificate or CEO's government-issued ID is required.

Was this helpful?