Toll-Free Number Verification

Toll-Free Numbers (TFN) now require a verification process. All SMS-related TFN terminations must undergo this verification. These verification efforts, along with increased message filtering, help combat spam and create a more trusted messaging ecosystem.

To begin the verification procedure for your Toll-Free Number (TFN), complete the TFN Sender Verification Form (opens in a new tab) with the relevant details. When you have completed the form, forward it to your established sender registration channel.

Upon receipt of the verification form, Infobip conducts a review to ensure compliance with US Messaging Content Standards (opens in a new tab), which includes express opt-in procedures. After satisfying all prerequisites, your number transitions to a 'Pending Verification' status.

Note that verification can take up to 14 business days.

Any unverified TFN is blocked by Infobip automatically and generates an error code 488, labeled EC_TF_NUMBER_NOT_VERIFIED (opens in a new tab).

To check whether your Toll-Free Number is verified:

1. Go to the Numbers app.
2. Search for your specific TFN.
3. Hover over the exclamation point next to your number.
   • If it displays TFN Verified, you're all set.
   • If the number is not displayed and you have not previously requested verification, complete the TFN Sender Verification Form (opens in a new tab) and submit the number for verification.