133006
WhatsApp error 133006 Phone number must be verified before registering
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You fix this
Sending and connection errors
Short answer
The number was not registered because it has not been verified yet. WhatsApp requires the phone number to be verified before it can be registered, so the registration was refused.
Checked against Meta docs on
2026-08-24
Official source
How to fix it
- Complete the verification of the phone number.
- Register the number once verification is done.
Meta's official wording for this code
Description
Phone number needs to be verified before registering.
Meta's suggested solution
Verify and register the phone number.
Other codes in the same category
Common questions about this code
What does WhatsApp error 133006 mean?
The number was not registered because it has not been verified yet. WhatsApp requires the phone number to be verified before it can be registered, so the registration was refused.
Can I just send the message again?
Not before the cause is addressed. Complete the steps above, then send again.
Is this a problem with my account?
You resolve this from your own account settings.
Still hitting this error?
Send us the code and a screenshot and we will read it with you. With LetsBot, the reason each message failed appears next to it in the campaign report instead of a bare number.