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

  • Business Registration Certificate (사업자등록증)

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

  • Business Registration Certificate (사업자등록증)

  • Utility bill

  • Tax notice

  • Rent receipt

  • Title deed

Business Registration Number

KR-BRN issued by the National Tax Authority

 

Business Website

SK Corporate Service Application Form

A copy of the order form is located here. Please complete the form and upload it with your bundle application. Must show company's corporate seal otherwise, must show CEO signature if CEO is the applicant.

Completed Carrier Form

  • SK Corporate Service Application Form

Proof of Authority

If the SK Corporate Service Application Form is stamped with the corporate seal, a Corporation Seal Verification Certificate is required. If it is signed by the CEO, the CEO’s Government ID must be provided instead.

Proof of Authority

  • Corporation Seal Verification Certificate

  • CEO’s government issued ID

Authorized Representative’s First Name

Authorized Representative’s Last Name

 

Authorized Representative’s Work Email

* 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

Anywhere in the Republic of Korea; a P.O. Box is not acceptable.

Proof of 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


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

  • Business Registration Certificate (사업자등록증)

Business Address

Anywhere in the Republic of Korea; a P.O. Box is not acceptable.

Proof of Address

  • Business Registration Certificate (사업자등록증)

  • Utility bill

  • Tax notice

  • Rent receipt

  • Title deed

Business Registration Number

KR-BRN issued by the National Tax Authority

 

Business Website

SK Corporate Service Application Form

A copy of the order form is located here. Please complete the form and upload it with your bundle application. Must show company's corporate seal otherwise, must show CEO signature if CEO is the applicant.

Completed Carrier Form

  • SK Corporate Service Application Form

Proof of Authority

If the SK Corporate Service Application Form is stamped with the corporate seal, a Corporation Seal Verification Certificate is required. If it is signed by the CEO, the CEO’s Government ID must be provided instead.

Proof of Authority

  • Corporation Seal Verification Certificate

  • CEO’s government issued ID

Authorized Representative’s First Name

Authorized Representative’s Last Name

 

Authorized Representative’s Work Email

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

 


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.