Mahua is Taluka (Tehsil) in Vaishali district of Bihar state. Mahua has 5 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 844122 | Chandsarai Sahdullahchak PIN Code | Vaishali | Mahua | Branch Office |
| 844504 | Lakhmipur PIN Code | Vaishali | Mahua | Branch Office |
| 844122 | Mirza Nagar PIN Code | Vaishali | Mahua | Branch Office |
| 844126 | Serpur Chatwara PIN Code | Vaishali | Mahua | Branch Office |
| 844126 | Singhara PIN Code | Vaishali | Mahua | Sub Office |