AWS End User Messaging SMS launches Carrier Lookup

Published
November 6, 2025
https://aws.amazon.com/about-aws/whats-new/2025/11/end-user-messaging-sms-carrier-lookup/

AWS End User Messaging Updates

Starting today, AWS End User Messaging customers can now lookup carrier information related to a phone number including the country, number type, dialing code, and mobile network and carrier codes. With Carrier Lookup, you can increase deliverability by checking important information about a phone number before you start sending messages, avoiding sending messages to the wrong destination, or to incorrect phone numbers.

AWS End User Messaging provides developers with a scalable and cost-effective messaging infrastructure without compromising the safety, security, or results of their communications. Developers can integrate messaging to support use cases such as one-time passcodes (OTP) at sign-ups, account updates, appointment reminders, delivery notifications, promotions, and more.

Support for Carrier Lookup is available in all AWS Regions where End User Messaging is available.

What to do

Source: AWS release notes




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