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Zalo phone verification

Learn how phone verification works on Zalo and find the official setup guidance.

Number requirements

Register with a mobile number and the correct country code, then follow the SMS or call verification shown in Zalo. Zalo excludes landlines and VoIP numbers from registration.

Official Zalo guidance →

What is Zalo?

Zalo is a messenger for personal chats, group conversations and calls. Its account settings manage your linked phone number and account security.

Official Zalo website →

Blacktel is an independent provider, unaffiliated with Zalo. Trademarks belong to their respective owners.