| Post office | Washermanpet S.O |
| Pin code | 600021 |
| Office type | S.O |
| Taluk / city | Tondiarpet Fort St George |
| District name | Chennai |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Chennai City North |
| Region name | Chennai Region |
| Circle name | Tamilnadu |
| Related sub office | NA |
| Related head office | Chennai G.P.O. |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 600021 | Washermanpet East S.O | Tondiarpet Fort St George | Chennai | Tamil Nadu |
| 600021 | Washermanpet S.O | Tondiarpet Fort St George | Chennai | Tamil Nadu |