de Hornlanden is een straat te Oldemarkt in de gemeente Steenwijkerland en is gelegen in de Nederlandse provincie Overijssel.
| Postcode | Huisnummers |
|---|---|
| 8375 GJ | 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25t, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45; |
| 8375 GL | 2, 4, 6, 8, 10, 12, 16, 20, 26, 28, 36, 38, 40, 42, 44, 46, 48, 50; |