Profile
| Postal Code | 78423 |
| Postal Code Name | Ummaru |
| County | Rapla County |
| Municipality | Rapla vald |
| Timezone | Eastern European Summer Time (EEST) |
| Adjacent Postal Codes | 78403 78406 78415 78416 78419 |
| Postal Code | 78423 |
| Postal Code Name | Ummaru |
| County | Rapla County |
| Municipality | Rapla vald |
| Timezone | Eastern European Summer Time (EEST) |
| Adjacent Postal Codes | 78403 78406 78415 78416 78419 |