Koemaste is een straat te Hellendoorn in de gemeente Hellendoorn en is gelegen in de Nederlandse provincie Overijssel.
| Postcode | Huisnummers |
|---|---|
| 7447 AT | 1, 3, 5, 7, 9, 11, 13a, 13 B01, 13 B02, 13 B03, 13 B04, 13 B05, 13 B06, 13 B07, 13, 15, 17, 19, 21, 23, 25, 31, 33, 35, 37, 39, 41, 43, 45, 47; |
| 7447 AV | 2a, 2b, 2c, 2d, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34; |