First Orion is an American telecommunications company headquartered in San Francisco, California, that makes mobile call protection products, including call blocking and voicemail, available for both Android and iOS mobile devices. The company was founded in 2010 by a team of privacy and mobile experts who were frustrated by poor quality products and poor customer service from many cell phone companies. First Orion's products are distinguished by their high quality, easy-to-use interfaces, and their comprehensive coverage of all major phone numbers in the United States.

First Orion’s call blocking product is called PrivacyStar. It allows you to block unwanted calls, including telemarketers, robocalls, and spam calls, from all major phone numbers. The product is distinguished by its high quality, easy-to-use interface, and its comprehensive coverage of all major phone numbers in the United States.

This app is an example of how the product works. In order to access this app, you need to have a compatible Android or iOS device with the latest version of the app installed.

PrivacyStar is an example of how the product works.