NumberBarn Classic is an Android application designed to provide users with a virtual phone number, allowing them to manage their communication needs efficiently. Users can acquire a new local or toll-free number, or opt to transfer an existing number to the NumberBarn service. This app positions itself as a cost-effective solution, potentially saving users $50 or more on their monthly phone bills by utilizing their smartphones effectively.

The application offers a variety of features, including call forwarding to any US number, the ability to display the NumberBarn phone number as the caller ID, and voicemail management that sends audio files directly to the user's email. Additionally, users can park their numbers for future use, making it a flexible option for both personal and business communications. Note that a NumberBarn account is required to use this app, with sign-up available within the application.