Tigo

Colombia ★★★ Verified Customer: *10#

Tigo Colombia is Colombia's third-largest mobile operator, owned by Millicom. **In 2014 merged with UNE to form Tigo Une** (also known as Une-Tigo). Provides 4G/5G (since 2024, jointly with Movistar). USSD *10# for balance (multi-source + official), *11*<PIN># for top-up, *600 for top-up, *111# for promotions, *123 for voicemail, *255*4# for SIM number, *300 for customer service (option 6 = IMEI registration). Mi Tigo app for self-service.