| Office Name | Olaiyur B.O |
| Pincodes | 603107 |
| Area | Olaiyur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Chengalpattu |
| Postal Region | Chennai Region |
| District | Kanchipuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Olaiyur B.O |
| Pincodes | 608901 |
| Area | Olaiyur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Tiruchirapalli |
| Postal Region | Tiruchy |
| District | Ariyalur |
| State | Tamil Nadu |
| Telephone No. | Na |