Menu

Expand
Rate this page:

Use Twilio Lookup to determine carrier and phone number type (mobile, landline, voip)

// Description
// Use Twilio Lookup to determine carrier and phone number type (mobile, landline, voip)

exports.handler = function (context, event, callback) {
  // Make sure under Functions Global Config tab:
  // "Add my Twilio Credentials (ACCOUNT_SID) and (AUTH_TOKEN) to ENV" is CHECKED
  const client = context.getTwilioClient();

  // Pass in phoneNumber as a URL query parameter
  // Example: https://x.x.x.x/<path>?phoneNumber=%2b15105550100
  const phoneNumber = event.phoneNumber || '+15105550100';

  client.lookups
    .phoneNumbers(phoneNumber)
    .fetch({ type: 'carrier' })
    .then((result) => {
      console.log(result.carrier);
      return callback(null, result);
    })
    .catch((error) => {
      console.error(error);
      return callback(error, null);
    });
};
Rate this page:

Need some help?

We all do sometimes; code is hard. Get help now from our support team, or lean on the wisdom of the crowd by visiting Twilio's Community Forums or browsing the Twilio tag on Stack Overflow.

        
        
        

        Thank you for your feedback!

        We are always striving to improve our documentation quality, and your feedback is valuable to us. How could this documentation serve you better?

        Sending your feedback...
        🎉 Thank you for your feedback!
        Something went wrong. Please try again.

        Thanks for your feedback!

        Refer us and get $10 in 3 simple steps!

        Step 1

        Get link

        Get a free personal referral link here

        Step 2

        Give $10

        Your user signs up and upgrade using link

        Step 3

        Get $10

        1,250 free SMSes
        OR 1,000 free voice mins
        OR 12,000 chats
        OR more