| S.No | Post Office Name | Pincode | Circle Name | Region Name | Division Name | Office Type | Delivery | District | State Name | Latitude | Longitude |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Athurchengalpattu SO | 603101 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | PO | Delivery | CHENGALPATTU | TAMIL NADU | 12.9251389 | 80.1986944 |
| 2 | Palur BO | 603101 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.760428 | 79.915799 |
| 3 | Reddipalayam BO | 603101 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.6840072 | 79.9833363 |
| 4 | Thimmavaram BO | 603101 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.6840062 | 79.9833373 |
| 5 | Villiambakkam BO | 603101 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.7522646 | 79.9319922 |