Flookup SIA operates a global telecommunications service platform specializing in phone number intelligence. The company provides businesses with tools to validate phone numbers, perform HLR (Home Location Register) lookups, and identify the mobile network carrier associated with a number. This service is primarily used by other companies to clean their customer contact lists, reduce SMS marketing costs by eliminating invalid numbers, prevent fraud, and enhance user verification processes. Flookup offers its services through a web interface for bulk uploads and an API for real-time integration into other applications.