Phone carriers may mark certain phone numbers as “Spam Likely”, particularly when telephony providers like Twilio recycle previously used numbers. This can happen if a phone number was previously associated with spam activities before being reassigned.
Spam Likely

Spam Likely

To ensure your Retell phone number maintains a trusted status and isn’t flagged as spam, you can register it as a verified phone number.

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Step 1: Create a Business Profile

First, create a business profile by following our guide in Business Profile.

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Step 2: Apply for Phone Number Verification

Once your business profile is set up, select it and submit your verification application through the dashboard.
Apply for verified phone number

Apply for verified phone number

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Step 3: Verification Approval

Once your phone number verification is approved, it will appear in the configuration screen for the selected number under the “Phone Numbers” tab with an “Active” status, indicating that your number is now verified and trusted.
Verified phone number with Active status

Verified phone number with Active status