| S.No | Post Office Name | Pincode | Circle Name | Region Name | Division Name | Office Type | Delivery | District | State Name | Latitude | Longitude |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Andar SO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | PO | Delivery | SIWAN | BIHAR | 26.1095278 | 84.2933611 |
| 2 | Bhawrajpur BO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | SIWAN | BIHAR | 26.1095277 | 84.2933611 |
| 3 | Faridpur BO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | SIWAN | BIHAR | 26.1095277 | 84.2933611 |
| 4 | Gaighat BO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | SIWAN | BIHAR | 26.1095277 | 84.2933611 |
| 5 | Jaijore BO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | SIWAN | BIHAR | 26.1095277 | 84.2933611 |
| 6 | Kherai BO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | SIWAN | BIHAR | 26.1095277 | 84.2933611 |
| 7 | Nadiwan BO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | SIWAN | BIHAR | 26.1095277 | 84.2933611 |
| 8 | Nand Pur Amwari BO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | SIWAN | BIHAR | 26.1095277 | 84.2933611 |
| 9 | Tiyan BO | 841231 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | SIWAN | BIHAR | 26.1095277 | 84.2933611 |