| S.No | Post Office Name | Pincode | Circle Name | Region Name | Division Name | Office Type | Delivery | District | State Name | Latitude | Longitude |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Dabchhu BO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | GOPALGANJ | BIHAR | 26.1095277 | 84.8085 |
| 2 | Faizullahpur BO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | GOPALGANJ | BIHAR | 26.1803 | 84.6662 |
| 3 | Gamhari BO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | GOPALGANJ | BIHAR | 26.1803 | 84.8085 |
| 4 | Gopalpur BO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | GOPALGANJ | BIHAR | 26.1803 | 84.8085 |
| 5 | Harpurjan BO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | GOPALGANJ | BIHAR | 26.1803 | 84.8085 |
| 6 | Katalpur BO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | GOPALGANJ | BIHAR | 26.1803 | 84.8085 |
| 7 | Matiyari BO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | GOPALGANJ | BIHAR | 26.1803 | 84.8085 |
| 8 | Paharpur BO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | BO | Delivery | GOPALGANJ | BIHAR | 26.1803 | 84.8085 |
| 9 | Rajapatti SO | 841420 | Bihar Circle | Muzaffarpur Region | Siwan Division | PO | Delivery | GOPALGANJ | BIHAR | 26.9132 | 84.1012 |