Khanakul I B is Taluka (Tehsil) in Hooghly district of West Bengal state. Khanakul I B has 2 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 712412 | Helan PIN Code | Hooghly | Khanakul I B | Sub Office |
| 712406 | Khanakul PIN Code | Hooghly | Khanakul I B | Sub Office |