Sainthia is Taluka (Tehsil) in Birbhum district of West Bengal state. Sainthia has 5 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 731201 | Iswarpurndtso PIN Code | Birbhum | Sainthia | Sub Office |
| 731201 | Kuchuighata PIN Code | Birbhum | Sainthia | Branch Office |
| 731234 | Rakhakalitala PIN Code | Birbhum | Sainthia | Sub Office |
| 731234 | Sainthia Bazar PIN Code | Birbhum | Sainthia | Sub Office |
| 731201 | Uttarkhayerbuni PIN Code | Birbhum | Sainthia | Branch Office |