1. The Metrocable in Medellín is a cable car system that was built to provide transportation for residents living in the hillside shanty towns of the city. It is one of the most innovative and unique forms of public transportation in the world, as it offers a stunning view of the city and the surrounding mountains during the ride. The system has four lines that cover different areas of the city, and it has been credited with improving the quality of life for the residents who use it.

2. The working hours for the Metrocable can vary depending on the line, but in general, the system operates from Monday to Sunday from 4:30 am to 11:00 pm. The phone number for the Metrocable is +57 322 221 1407.

3. The ticket for the Metrocable can be purchased at any of the stations. The fare for each ride is very affordable, and it varies depending on the line. Visitors can purchase a single ticket or a rechargeable card that can be used multiple times. The ticket prices for the Metrocable start at around 2,300 Colombian pesos (less than one USD). The transportation card for Metrocable, known as \"Tarjeta Cívica\" can be purchased at any of the stations as well.