How South Korean Users Should Fill in Country/Region and International Area Code When Registering on OKX
When South Korean users register on OKX, the key principle is: the "Country/Region" and "Mobile Area Code" you fill in must point to the same place—South Korea. Inconsistency between these two can result in not receiving the verification code at best, and affect subsequent identity verification at worst.
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Prerequisite: Understand the Special Situation of South Korean Users in the OKX Ecosystem
OKX Group has two different service models in South Korea. First identify which one you are using, because the filling method is completely different:
OKCoin Korea (OKX Korea): A localized platform holding a legal license in South Korea, supporting direct KRW trading. During registration, select "South Korea" as the country and +82 (South Korea) as the area code. Subsequent KYC requires submission of Korean identification documents.
OKX International (Global Version): A platform for global users with more comprehensive features but no KRW fiat on-ramp. If South Korean users register on the international site, they generally select their actual country of residence, but must confirm whether South Korea is within the platform's service coverage.
⚠️ Important Notice: According to multiple public sources, OKCoin Korea (OKEX Korea) has been marked as "ceased operations". Before registering, confirm whether you intend to use the international site or the local Korean site, and whether that platform is still operating normally.
Step 1: Confirm Whether You Are Registering on the "International Site" or the "Korean Site"
What to do: Decide which platform to go to before logging in, as this determines the direction of all subsequent filling.
How to do it:
Visit the international site: www.okx.com
Visit the Korean site (high probability it has ceased operations): Typically the Korean local domain or the official Korean-language portal
If the Korean site has ceased operations, South Korean users can register on the international site to continue using services, but note that platform features may be limited.
What counts as completion: You have confirmed that the platform you will register on is currently operating normally and that its terms of service allow South Korean users to register.
Step 2: Fill in the Country/Region Information
What to do: Select the correct country or region of residence on the registration page.
How to do it:
Log in to OKX International or Korean site and go to the registration page
In the "Country/Region" drop-down menu, search for and select "South Korea"
If you are registering for OKCoin Korea, simply select "South Korea"
What counts as completion: The Country/Region field displays "South Korea" or "대한민국".
⚠️ Do not select another country by mistake. If you select another country, subsequent KYC verification will require you to provide proof of address in that country, which you will actually be unable to provide.
Step 3: Fill in the Mobile Area Code
What to do: When entering your phone number, confirm that the area code is correctly selected as South Korea (+82).
How to do it:
In the phone number input field, select the area code drop-down menu
Search for "Korea" or "South Korea" and select +82
Enter your South Korean mobile phone number (remove the leading 0 from the area code, e.g., 010-xxxx-xxxx becomes 10xxxx-xxxx)
What counts as completion: The area code displays "+82", the phone number format is correct, and you can receive the SMS verification code.
Step 4: Complete Identity Verification (KYC)
What to do: After registration, complete identity verification as required by the platform.
How to do it:
Depending on the platform you selected (International or Korean site), submit the corresponding identification documents
South Korean users on the international site: Usually required to submit a passport (internationally accepted) or a Korean ID card
Users on the Korean site (if still operational): Need to submit a Korean Resident ID or Alien Registration Card (ARC)
What counts as completion: Identity verification shows "Verified", and account functions are fully unlocked.
Common Reasons for Failure
Country selected as South Korea, but area code selected as +86 (China) — The verification code is sent to a Chinese number, you will not receive it, and the information inconsistency may lead to KYC rejection.
Using a VPN to switch to another region during registration — If the IP address during registration shows another country but you filled in South Korea, the system may detect an anomaly and require additional verification or restrict functions.
Attempting to register on the OKX Korea site that has already ceased operations — According to information from multiple sources, OKEX Korea (OKCoin Korea) has been marked as "ceased operations". Attempting to register on a platform that has already stopped operations may not be completed.
Risk Reminders
Once KYC is completed, the Country/Region information cannot be arbitrarily modified. If filled in incorrectly during registration, later modification will require providing supporting documents, and the process is complex.
South Korea has strict anti-money laundering regulations for cryptocurrency trading, and local laws must be observed when trading. Some features may be restricted due to regulatory reasons.
Beware of fraudulent platforms. Phishing sites targeting crypto users have appeared in the Korean market. Always verify that the official website domain is correct before registering.
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How to Confirm You Have Filled in Correctly
After registration, log into your account and go to [Personal Center] → [Security Settings], then check the following two items:
"Country/Region" displays "South Korea"
"Phone number" area code displays "+82"
If both match, the registration information is correctly filled in. Next, complete KYC to unlock account functions.
