One of the best phone number extractors for building a cell phone number list is the Cute Web Phone Number Extractor. Phone Extractor is an excellent tool that allows you to find and extract mobile numbers from different online and offline resources without coding and wasting time. Cute Web Phone Number Finder also crawls search engines and websites, allowing you to find & share your valuable phone number data to many different 3rd party applications such as Excel, CSV, and Text files.