Alamnagar is Taluka (Tehsil) in Madhepura district of Bihar state. Alamnagar has 8 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 852219 | Bajraha PIN Code | Madhepura | Alamnagar | Branch Office |
| 852219 | K Millik PIN Code | Madhepura | Alamnagar | Branch Office |
| 852219 | Khara Budhma PIN Code | Madhepura | Alamnagar | Branch Office |
| 852219 | Mahmooda PIN Code | Madhepura | Alamnagar | Branch Office |
| 852219 | Mahua Bazar PIN Code | Madhepura | Alamnagar | Branch Office |
| 852219 | R N Khwan PIN Code | Madhepura | Alamnagar | Branch Office |
| 852219 | Sahjadpur PIN Code | Madhepura | Alamnagar | Branch Office |
| 852219 | Singhar PIN Code | Madhepura | Alamnagar | Branch Office |