Address : 57A Huynh Thuc Khang, Dong Da Dist., Hanoi
Tel : (84-4) 8358816
Fax : (84-4) 7731745  
Email : kdtt@gpc.com.vn 
Website : http://www.vinaphone.com.vn
Director: Mr. HOANG TRUNG HAI
Company tax code: 0100692876
Services:
- Post-Paid: VinaPhone
- Pre-Paid: VinaCard, VinaDaily, Vinatext.
- International Roaming Service
- Vietnam CardPhone