How to Fill in Country/Region and Area Code for Brazil Registration on OKX?
On the registration page, directly select "Brazil" from the "Country/Region" dropdown. The system will automatically set the international area code to +55. Brazilian mobile numbers are 9 digits (starting with 8 or 9). Enter exactly these 9 digits without any prefixes or spaces.
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Below are the specific steps.
1. Locate the Phone Number Entry
Open the OKX official website or app and click "Sign Up". Under the phone registration option, you will see a dropdown with a country flag or abbreviation.
2. Select Country/Region: Brazil
Click the dropdown and find "Brazil" in the list. After selecting it, the international area code will automatically become +55. At this point, the area code is correctly filled.
Do not manually type "+55" and then enter your phone number; you must select the country from the list. Otherwise, the system may fail validation.
3. Enter the Brazilian Mobile Number Correctly
Brazilian mobile numbers are 9 digits (usually starting with 8 or 9) and should not contain any hyphens or spaces. In the phone number input field on the registration page, you only need to enter these 9 digits. For example, if your phone number is (11) 9xxxx-xxxx, simply enter 9xxxxxxxx (9 digits total).
4. Get the Verification Code and Complete Registration
After entering the number, click "Get Code". If your phone receives the SMS normally, it means the country/region and number format are correct. Enter the verification code, set a password, and registration is complete.
Prerequisites and Risk Reminders
Phone Number Status: Ensure your Brazilian phone number can receive international SMS. Some virtual numbers or recently recycled numbers may not receive the verification code.
KYC Consistency: OKX uses a real-name verification system. The country of the registered phone number (Brazil) must be consistent with the identity documents and residential information you submit during later identity verification. Using someone else's information or inconsistent details may result in account freezing and inability to recover assets.
Regional Support: Before registration, confirm that Brazil is within the service area supported by OKX. Some countries or regions may be restricted; please refer to the official Help Center for accurate information.
Common Reasons for Failure
Incorrect Number Format: The most common mistake is adding the two-digit city area code or entering the wrong length (not 9 digits). OKX only requires the mobile number itself; the country code is generated automatically.
SMS Not Received: Check if your phone has an SMS blocking feature enabled, or contact your carrier to see if international SMS is blocked.
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Post-Registration Confirmation and Next Steps
After successful registration, we recommend immediately completing the following to ensure your account is secure and ready:
Login Verification: Log in once with your new phone number and password to make sure you can access the account normally.
Enable Two-Factor Authentication: Immediately bind Google Authenticator and an email address. The email can serve as a backup login and recovery method. While the phone number is mainly used for daily login, Google Authenticator is the most critical layer of account protection.
Prepare KYC Documents: Complete identity verification (KYC) as soon as possible by submitting a valid Brazilian ID (such as RG or passport). Only after passing verification can you trade and withdraw funds.
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