Ummeli v Columbia ube nesilinganiso esimaphakathi — 5 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole ummeli Columbia emigwaqweni elandelayo: Laurel St, Devine St, Dutch Square Blvd, Millwood Ave, Wildewood Park Dr, Taylor St, Sparkleberry Crossing Rd, Harden Street Extension, Trenholm Rd, Sunset Blvd, River Dr, Blanding St
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.