| Office Name | Arumbakkam B.O |
| Pincodes | 632506 |
| Area | Arumbakkam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Arakkonam |
| Postal Region | Chennai Region |
| District | Vellore |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Arumbakkam S.O |
| Pincodes | 600106 |
| Area | Arumbakkam |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Chennai City North |
| Postal Region | Chennai Region |
| District | Chennai |
| State | Tamil Nadu |
| Telephone No. | 044-23630800 |
| Office Name | Arumbakkam B.O |
| Pincodes | 632202 |
| Area | Arumbakkam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vellore |
| Postal Region | Chennai Region |
| District | Vellore |
| State | Tamil Nadu |
| Telephone No. | Na |