Telkomsel

Indonesia ★★★ Verified Customer: 188

Telkomsel is Indonesia's largest mobile operator, 65% owned by Telkom Indonesia and 35% by Singapore's Singtel. Founded 1995, around 52% market share with 160 million subscribers. Widest 4G/5G coverage including remote islands. Prepaid brands include simPATI, Kartu As, and Loop. Main USSD menu *888#; the simPATI Tourist SIM caters to foreign visitors.