| S.No | Post Office Name | Pincode | Circle Name | Region Name | Division Name | Office Type | Delivery | District | State Name | Latitude | Longitude |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Andarkuppam BO | 603401 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.348734 | 80.003139 |
| 2 | Chunampet SO | 603401 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | PO | Delivery | CHENGALPATTU | TAMIL NADU | 12.9251389 | 80.1986944 |
| 3 | Kadukkalur BO | 603401 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.348733 | 80.00314 |
| 4 | Puthirankottai BO | 603401 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.348737 | 80.003136 |
| 5 | Vannianallur BO | 603401 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.27472 | 79.9199 |
| 6 | Velur BO | 603401 | Tamilnadu Circle | Chennai City Region | Chengalpattu Division | BO | Delivery | CHENGALPATTU | TAMIL NADU | 12.27472 | 79.9199 |