| Post office | Chennai G.P.O. |
| Pin code | 600001 |
| Office type | H.O |
| Taluk / city | Chennai |
| District name | Chennai |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Chennai GPO |
| Region name | Chennai Region |
| Circle name | Tamilnadu |
| Related sub office | NA |
| Related head office | NA |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 600001 | Chennai G.P.O. | Chennai | Chennai | Tamil Nadu |
| 600001 | Flower Bazaar S.O | NA | Chennai | Tamil Nadu |
| 600001 | Govt Stanley Hospital S.O | Tondiarpet Fort St George | Chennai | Tamil Nadu |
| 600001 | Mannady S.O (Chennai) | Tondiarpet Fort St George | Chennai | Tamil Nadu |
| 600001 | Mint Building S.O | Tondiarpet Fort St George | Chennai | Tamil Nadu |
| 600001 | Sowcarpet S.O | Tondiarpet Fort St George | Chennai | Tamil Nadu |
| 600001 | MPT AO S.O | Tondiarpet Fort St Goerge | Chennai | Tamil Nadu |