This is the locational map of BIR Revenue Region No. 5 Caloocan. It is almost fronting Barrio Fiesta Restaurant and near Caltex station. If your coming from SM North Edsa or Muñoz after passing Balintawak Market and crossing the bridge. Take note of the landmarks in the map which you will be passing. When you reach Caltex Station you will find an Pedestrian Overpass and just below it is the BIR office. The Regional Building also houses the BIR Revenue District Office No. 27 holding area of Caloocan City.