Explore details about location Carrera 28B. Carrera 28B is a location situated within the Barrios Unidos alongside other areas such as Carrera 28A, Calle 79C Bis, Calle 93. Additionally, some smaller parts of Carrera 28B include specific areas like Avenida NQS - Ciudad de Quito - Carrera 30 adding to the diversity of its landscape.