Twilio Carrier Information

Identify Carrier and Number Type for Incoming SMS and Voice calls

While phone numbers help you identify end users, they are very easy to acquire from some carriers. Anyone can obtain multiple numbers from a free online provider and create fake profiles to defraud or spam a business. To address this challenge, businesses can identify the carrier behind the phone number & require additional identity authentication for those associated with higher fraud instances.

Use Number type to recognize when to use an alternative delivery method to successfully send communications.

  • Identify Carrier

    Use Carrier information to flag numbers from carriers associated with fraud and apply additional identity checks, like validating a user with a security code sent to their phone.

  • Check Number Type

    Some number types don't accept all communications. For example, most landline numbers and many VoIP numbers don't accept SMS. Identify which kind of communications users can accept, based on their number type. This allows businesses to optimally decide whether to send voice or text communications.

  • Integrated with Incoming SMS, Calls

    Carrier and Number type are integrated right into the Incoming SMS and Voice calls webhook when you enable this Add-on. This allows you to consume the Carrier and Number type information without having to make yet another API call.

Sample annotation responses

Carrier & Number Type Results

This Add-on returns MCC, MNC, Carrier Name and Type in the response.

        "phone_number": "+13233633791",
        "carrier": {
          "mobile_country_code": "310",
          "mobile_network_code": "150",
          "name": "AT&T Wireless",
          "type": "mobile",
          "error_code": null
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