| Cell Number | Business Name |
|---|---|
| 27783906007 | Koster Combined School |
| 27145432004 | Kgetleng Rivier Local Municipality |
| 27718102323 | Koster Primary School |
| 27145432380 | BP |
| 27145438600 | Saps Koster |
| 27145432433 | Arrie Nel Noord Wes Med Pharmacy |
| 27154091797 | Potgietersrus-Voortrekker Hospital-Paediatrics |
| 27149405151 | Iwamanzi Game Lodge |
| 27824763702 | Lapariza guesthouse |
| 27145432061 | View Point Guest Lodge & Restuarant |
| 27145434346 | Bem-Vindo Lodge |
| 27145915500 | koster Golf Club |
| 27145432004 | Koster Traffic Department |
| 27145432187 | Koster Post Office |
| Cell Number | Business Name |
|---|---|
| 27828428407 | Koster Boeredienste CC |
| +27 14 543 3805 | IEC office Kgetlengrivier |
| +27 14 543 8500 | Koster Hospital Dispensary |
| +27 14 543 8500 | Koster Hospital |
| +27 14 543 8500 | Koster Hospital-ER |
| +27 14 543 8510 | Koster Hospital - Dietetics |
| +27 14 543 8507 | Koster Hospital Pharmacy |
| +27 15 383 0666 | Rabothata Medi Centre |
| +27 14 543 4528 | Haffejee A A B |
| +27 14 543 2027 | S A Independent Catering Services North West Pty Ltd |
| +27 14 543 2004 | Kgetleng Rivier Local Municipality Koster Office |
| +27 14 543 2050 | Robinson P S |
| +27 14 543 2000 | ESTERHUYSE GREYLING ATTORNEYS |
| +27 14 592 9547 | Combrinck H |