Magrahat I is Taluka (Tehsil) in South 24 Parganas district of West Bengal state. Magrahat I has 7 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 743355 | Dhanyaghata PIN Code | South 24 Parganas | Magrahat I | Branch Office |
| 743332 | Ghatakpur PIN Code | South 24 Parganas | Magrahat I | Branch Office |
| 743368 | Kodalia Shibpur PIN Code | South 24 Parganas | Magrahat I | Branch Office |
| 743355 | Morapai PIN Code | South 24 Parganas | Magrahat I | Branch Office |
| 743503 | Pairachali PIN Code | South 24 Parganas | Magrahat I | Branch Office |
| 743610 | Raskhali PIN Code | South 24 Parganas | Magrahat I | Branch Office |
| 743355 | Sangrampur Hat PIN Code | South 24 Parganas | Magrahat I | Branch Office |