Guidelines

South Korea (KR)

Locale Summary
Locale name	South Korea
ISO code The International Organization for Standardization two character representation for the given locale.	KR
Region	Asia

Numbers Summary
Mobile Prefixes	+821
Toll-Free Prefixes	+82308, +8280

South Korea: Local Numbers

Requirements for Individuals

South Korea Local numbers are not available to individuals.

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	Proof of Business Name	Certificate of Business Registration showing Business Name
Business Address Must be within locality or region covered by the phone number's prefix; a PO Box is not acceptable where a local address is required.	Proof of Local Address	Certificate of Business Registration showing Business Address Utility bill Tax notice Rent receipt Title deed
Business Registration Number	Proof of Business Registration Number	Certificate of Business Registration showing KR-BRN
SK Corporate Service Application Form A copy of the order form is located in the Bundle. Please complete the form and upload it with your Bundle application	Completed Carrier Form	SK Corporate Service Application Form

* Please note that Twilio at this point is unable to provide Resellers and ISVs with South Korea Local numbers

South Korea: National Numbers

Requirements for Individuals

South Korea National numbers are not available to individuals.

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	Proof of Business Name	Certificate of Business Registration showing Business Name
Business Address Must be within South Korea	Proof of Local Address	Certificate of Business Registration showing Business Address Utility bill Tax notice Rent receipt Title deed
Business Registration Number	Proof of Business Registration Number	Certificate of Business Registration showing KR-BRN
SK Corporate Service Application Form A copy of the order form is located in the Bundle. Please complete the form and upload it with your Bundle application	Completed Carrier Form	SK Corporate Service Application Form

* Please note that Twilio at this point is unable to provide Resellers and ISVs with South Korea National numbers

South Korea: Mobile Numbers

Requirements for Individuals

Information required	Documentation required	Acceptable Documentation One of the following
Name	Proof of Identity	Government-issued ID Passport

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	Proof of Identity	Business registration

South Korea: Toll-Free Numbers

Requirements for Individuals

Information required	Documentation required	Acceptable Documentation One of the following
Name	Proof of Identity	Government-issued ID Passport
Address	No documentation required

Requirements for Businesses

Information required	Documentation required	Acceptable Documentation One of the following
Business Name	Proof of Identity	Business registration
Business Address	No documentation required

For the benefit of all our customers, these guidelines are provided to help you comply with applicable requirements and to help ensure Twilio's platform remains compliant with global telecommunications ecosystem requirements. These guidelines represent our current understanding of common compliance requirements generally applicable to Twilio and its customers, and do not constitute legal advice. By posting these guidelines, Twilio makes no assurances regarding the legal compliance of your application built using our APIs. You are expected to understand and abide by all compliance obligations applicable to your specific application. You should check these pages regularly for updates as telecommunications ecosystem requirements continue to evolve and change, and the information below may be updated or changed without notice.