1. Plaza de Las Tendillas is a historic square located in the heart of Córdoba, Spain. It is one of the city’s main gathering places, with a bustling atmosphere and beautiful architecture. The square is named after the \"tendillas,\" which were covered stalls where merchants used to sell their goods.

The centerpiece of Plaza de Las Tendillas is the equestrian statue of Gonzalo Fernández de Córdoba, a famous military leader from Córdoba. The statue is a symbol of the city’s rich history and is a popular spot for tourists to take photos.

Surrounding the square are several historic buildings, including the Gran Teatro de Córdoba, a beautiful theater that hosts a variety of performances throughout the year. There are also many shops, cafes, and restaurants lining the square, making it a vibrant and lively place to visit.

2. The square is accessible at all times and does not have specific working hours. However, the shops, cafes, and restaurants may have their own opening and closing times. It is recommended to check with specific establishments for their operating hours.

Unfortunately, there is no specific phone number available for Plaza de Las Tendillas as it is a public square.

3. There is no entrance fee or ticket required to visit Plaza de Las Tendillas as it is a public space. The square is located in the city center and is easily accessible by foot or public transportation. There are bus stops nearby, and taxis are also readily available in the area.