| Post office | Numbal B.O |
| Pin code | 600077 |
| Office type | B.O |
| Taluk / city | Poonamallee |
| District name | Tiruvallur |
| State name | Tamil Nadu |
| Delivery status | Non-Delivery |
| Division name | Tambaram |
| Region name | Chennai Region |
| Circle name | Tamilnadu |
| Related sub office | Thiruverkadu S.O |
| Related head office | Avadi Camp H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 600077 | Ayapakkam B.O | Poonamallee | Tiruvallur | Tamil Nadu |
| 600077 | Numbal B.O | Poonamallee | Tiruvallur | Tamil Nadu |
| 600077 | Thiruverkadu S.O | Poonamallee | Tiruvallur | Tamil Nadu |
| 600077 | Veeraraghavapuram B.O | Poonamallee | Tiruvallur | Tamil Nadu |