Cloud Number is a platform that provides temporary phone numbers for receiving SMS verification codes, ensuring privacy and preventing misuse of personal information. With support for over 200 countries and regions, users can create accounts on websites and apps without using their real phone numbers, allowing full functionality exploration while safeguarding privacy.

The service enables users to register new accounts without the need for extra SIM cards, receive bonuses and promotional codes securely, and use SMS assistance when signing up for various platforms like communication apps and social networks. Cloud Number also offers a spam message interception feature powered by a Core ML machine learning framework, locally identifying and blocking spam messages without uploading data to servers, ensuring a secure and disturbance-free communication experience.