| Postal Code | 518 01 |
| Postal Code Name | Dobruška |
| Region | Královéhradecký Region |
| District | Rychnov nad Kněžnou District |
| Timezone | Central European Summer Time (CEST) |
| Adjacent Postal Codes | 516 01 517 01 517 03 517 04 517 21 517 32 517 33 517 34 517 71 517 73 517 83 517 84 517 91 517 92 517 93 518 03 549 01 549 06 549 22 549 23 |