| Post office | Birwadi B.O |
| Pin code | 421603 |
| Office type | B.O |
| Taluk / city | NA |
| District name | Thane |
| State name | Maharashtra |
| Delivery status | Delivery |
| Division name | Thane Central |
| Region name | Mumbai |
| Circle name | Maharashtra |
| Related sub office | Bhatsanagar S.O |
| Related head office | Kalyan City H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 421603 | Birwadi B.O | NA | Thane | Maharashtra |
| 421603 | Bhatsanagar S.O | Shahapur | Thane | Maharashtra |