Explore details about location Carrera 3A. Carrera 3A is a location situated within the San Cristóbal alongside other areas such as Calle 18 S, Calle 37 Sur, Carrera 9. Additionally, some smaller parts of Carrera 3A include specific areas like Calle 12 S, Calle 8A S, Diagonal 5BS adding to the diversity of its landscape.