| Office Name | Unai S.O |
| Pincodes | 396590 |
| Area | Unai |
| Office Status | Sub Post Office |
| Postal Circle | Gujarat |
| Postal Division | Navsari |
| Postal Region | Vadodara |
| District | Navsari |
| State | Gujarat |
| Telephone No. | 02630-236230 |
| Office Name | Unai B.O |
| Pincodes | 632101 |
| Area | Unai |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vellore |
| Postal Region | Chennai Region |
| District | Vellore |
| State | Tamil Nadu |
| Telephone No. | Na |