Ummeli v Columbia ube nesilinganiso esimaphakathi — 5 (ngokwezilinganiso zomsebenzisi Mapich).
Sithole ummeli Columbia emigwaqweni elandelayo: Main St, Forest Dr, Executive Pointe Blvd, Lincoln St, Marion St, Blanding St, Barnwell St, Gadsden St, Sunset Blvd
Le datha ikhiqizwa kusetshenziswa izihlungi zangokwezifiso ezisuselwe kukho 12 Izinkampani, eyethulwe kuleli khasi.