Bajna is Taluka (Tehsil) in Ratlam district of Madhya Pradesh state. Bajna has 2 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 457555 | Bajna Ratlam PIN Code | Ratlam | Bajna | Sub Office |
| 457001 | Ghatalia PIN Code | Ratlam | Bajna | B.O directly a/w Head Office |