| Office Name | Jamsar B.O |
| Pincodes | 841436 |
| Area | Jamsar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jasauli B.O |
| Pincodes | 841437 |
| Area | Jasauli |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jhanjhawa Mohamadpur B.O |
| Pincodes | 841423 |
| Area | Jhanjhawa Mohamadpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jhirwa B.O |
| Pincodes | 841440 |
| Area | Jhirwa |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jignadubey B.O |
| Pincodes | 841426 |
| Area | Jignadubey |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jignamath B.O |
| Pincodes | 841438 |
| Area | Jignamath |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jogapur Kothi B.O |
| Pincodes | 841413 |
| Area | Jogapur Kothi |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | K.K. Kararia B.O |
| Pincodes | 841438 |
| Area | K.K. Kararia |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | K.Srirampur B.O |
| Pincodes | 841427 |
| Area | K.Srirampur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Kahla B.O |
| Pincodes | 841405 |
| Area | Kahla |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Kailgarh B.O |
| Pincodes | 841438 |
| Area | Kailgarh |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Kalyanpur B.O |
| Pincodes | 841425 |
| Area | Kalyanpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Kamalpur B.O |
| Pincodes | 841405 |
| Area | Kamalpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Kararia B.O |
| Pincodes | 841428 |
| Area | Kararia |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Karwatahi Bazar B.O |
| Pincodes | 841501 |
| Area | Karwatahi Bazar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Kashi Tengrahi B.O |
| Pincodes | 841407 |
| Area | Kashi Tengrahi |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Katalpur B.O |
| Pincodes | 841420 |
| Area | Katalpur |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Kateya S.O |
| Pincodes | 841437 |
| Area | Kateya |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | 06150-273521 |
| Office Name | Khajuhatti B.O |
| Pincodes | 841407 |
| Area | Khajuhatti |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Khajuri B.O |
| Pincodes | 841405 |
| Area | Khajuri |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |