cellcard | 34,083 followers on LinkedIn. cellcard is a Cambodian-owned and operated mobile telecommunications operator, a category pioneer with over 20 years of service, and currently one of the big operators in the Kingdom. The company’s commitment to providing access to mobile technology and connectivity to all Cambodians has led to a long history, including nationwide coverage and prepaid services (1998), SMS and roaming services (2001), 3G network and streaming services (2005), the credit sharing platform (2006), the mobile payment platform (2010), and big rewards program (2013). Over the years, Cellcard has become the standard for quality, value, and customer service.