GPC - Vietnam Telecom Services Company: A subsidiary of the national, state-owned, operator company which operates Vinaphone. Offers details of products, services and tariffs. [Vietnamese, English]Mobifone: Mobile phone operator with GSM network. Details of products, tariff and coverage. [Vietnamese, English; May not display properly in all browsers.]Viettel Corporation: Telecoms provider run by the military. Also provides ADSL service. Offers details of services. [Vietnamese, English]