| Office Name | Perambur North S.O |
| Pincodes | 600011 |
| Area | Perambur North |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Chennai City North |
| Postal Region | Chennai Region |
| District | Chennai |
| State | Tamil Nadu |
| Telephone No. | 044-28273635 |
| Office Name | Perambur S.O |
| Pincodes | 600011 |
| Area | Perambur |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Chennai City North |
| Postal Region | Chennai Region |
| District | Chennai |
| State | Tamil Nadu |
| Telephone No. | 044-25515395 |
| Office Name | Sembiam S.O |
| Pincodes | 600011 |
| Area | Sembiam |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Chennai City North |
| Postal Region | Chennai Region |
| District | Chennai |
| State | Tamil Nadu |
| Telephone No. | 044-25571172 |