VinaPhone Vietnam
Vinaphone is a Vietnamese major mobile network operator headquartered in Hanoi, Vietnam. Founded on June 26, 1996, as a GSM launcher, Vinaphone is the second network (after MobiFone) and third largest telecommunications provider in Vietnam, contributing 20% to the total mobile communication market (after MobiFone with 41%, Viettel Mobile with 34% and surpassing S-Fone with 3%).