Compliance · South Korea
RCS Compliance in South Korea
A practical overview of the rules that affect RCS messaging and marketing in South Korea, with a checklist before you launch.
Key Rules for RCS in South Korea
RCS business messaging availability in South Korea depends on operator and device support, so we confirm coverage before planning campaigns and keep SMS as a fallback; the same consent rules that apply to SMS apply to RCS.
RCS support differs widely between Asian markets and operators, so coverage should be confirmed for each country before planning a campaign.
Data Protection
The Personal Information Protection Act (PIPA), enforced by the Personal Information Protection Commission, is one of the strictest privacy laws in Asia.
Keep a record of how each contact was collected, what they agreed to and when, and make it easy for them to withdraw consent.
Practical Checklist
- Verify your brand with the RCS provider and keep the sender profile accurate.
- Confirm device and operator coverage for the country and configure SMS fallback.
- Apply the same consent rules you use for SMS marketing to promotional RCS.
- Keep suggested replies meaningful and do not hide key terms inside images.
- Track opt-outs and suppress those numbers on both RCS and SMS.
Contact data
Format numbers in international E.164 format with the +82 country code, remove duplicates and invalid numbers, and keep consent records linked to each number.
Timing and Language
South Korea follows the Asia/Seoul time zone (UTC+09:00 in October 2026). The usual working week is Monday to Friday. Schedule RCS campaigns for the recipient's local daytime hours, avoid public holidays and religious observances that matter to your audience, and convert send times from IST before scheduling.
In Seoul, customers commonly use Korean, with English. Messages in the customer's preferred language usually perform better, but check how local-language text affects character counts (for SMS) and template approval (for WhatsApp).
Digital Habits and Channels in South Korea
South Korea has among the world's fastest mobile networks, and KakaoTalk is used by almost everyone; Kakao's business message service (AlimTalk for notifications) often replaces SMS. Korean law requires advertising messages to start with the '(광고)' advertising label, include the sender's name and contact details, and obtain separate consent for messages sent between 9 pm and 8 am.
Cards, Kakao Pay, Naver Pay and Samsung Pay dominate payments, and Naver and Coupang are major shopping platforms. Seollal (Lunar New Year) and Chuseok, when gift sets are exchanged, are the biggest retail seasons.
South Korea's economy is led by large conglomerates such as Samsung, Hyundai, SK and LG, which make semiconductors, smartphones, cars, ships and batteries, and the country has very high 5G coverage. VAT is 10%, and prices are in won. Most Koreans live in apartment complexes and use fast delivery services, so time-sensitive delivery updates and coupons are popular. Search and shopping start on Naver as well as Google.
Advertising Alongside Messaging
Advertising follows the Act on Fair Labeling and Advertising, and the Fair Trade Commission requires clear disclosure of paid influencer content.
This guide is general information, not legal advice, and reflects our understanding as of October 2026. Rules change, so we check current requirements for South Korea before every launch.
Planning RCS campaigns for South Korea?
We check the rules, set up sender requirements and run compliant campaigns.
RCS in South Korea: FAQs
Do I need consent to send marketing RCS messages in South Korea?
In most cases, yes, or at least an existing customer relationship and a clear opt-out. RCS business messaging availability in South Korea depends on operator and device support, so we confirm coverage before planning campaigns and keep SMS as a fallback; the same consent rules that apply to SMS apply to RCS.
Is RCS available in South Korea?
RCS business messaging availability in South Korea depends on operator and device support, so we confirm coverage before planning campaigns and keep SMS as a fallback; the same consent rules that apply to SMS apply to RCS.
Can DND Teams run RCS campaigns to South Korea?
Yes. We are based in Bhopal, India, and run campaigns for international markets remotely, after checking the current rules, sender requirements and coverage for South Korea.
Is this legal advice?
No. This guide is general information to help you plan. Regulations change and their application depends on your business, so take local legal advice for significant campaigns.
Related Guides and Services
Other channels in South Korea
RCS rules in nearby markets
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