Explore details about location Calle 31A S. Calle 31A S is a location situated within the San Cristóbal alongside other areas such as Carrera 6, Calle 2B, Calle 42A Sur. Additionally, some smaller parts of Calle 31A S include specific areas like Carrera 2 E, Carrera 1, Carrera 2 adding to the diversity of its landscape.