| Office Name | Mailam B.O |
| Pincodes | 847235 |
| Area | Mailam |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Madhubani |
| Postal Region | Muzaffarpur |
| District | Madhubani |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Mailam S.O |
| Pincodes | 604304 |
| Area | Mailam |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Pondicherry |
| Postal Region | Chennai Region |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | 04147-241240 |