| Office Name | Gamharia B.O |
| Pincodes | 848201 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Begusarai |
| Postal Region | Muzaffarpur |
| District | Begusarai |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Gamharia B.O |
| Pincodes | 845431 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | East Champaran |
| Postal Region | Muzaffarpur |
| District | East Champaran |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Gamharia B.O |
| Pincodes | 854333 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Araria |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Gamharia B.O |
| Pincodes | 841420 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| District | Gopalganj |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Gamharia B.O |
| Pincodes | 814102 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Jharkhand |
| Postal Division | Santhal Parganas |
| Postal Region | Ranchi |
| District | Dumka |
| State | Jharkhand |
| Telephone No. | Na |
| Office Name | Gamharia B.O |
| Pincodes | 832101 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Jharkhand |
| Postal Division | Singhbhum |
| Postal Region | Ranchi |
| District | East Singhbhum |
| State | Jharkhand |
| Telephone No. | Na |
| Office Name | Gamharia S.O |
| Pincodes | 832108 |
| Area | Gamharia |
| Office Status | Sub Post Office |
| Postal Circle | Jharkhand |
| Postal Division | Singhbhum |
| Postal Region | Ranchi |
| District | Seraikela-Kharsawan |
| State | Jharkhand |
| Telephone No. | Na |
| Office Name | Gamharia B.O |
| Pincodes | 496331 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Chattisgarh |
| Postal Division | Raigarh |
| Postal Region | Raipur |
| District | Jashpur |
| State | Chattisgarh |
| Telephone No. | Na |
| Office Name | Gamharia B.O |
| Pincodes | 822128 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Jharkhand |
| Postal Division | Palamau |
| Postal Region | Ranchi |
| District | Garhwa |
| State | Jharkhand |
| Telephone No. | Na |
| Office Name | Gamharia B.O |
| Pincodes | 835208 |
| Area | Gamharia |
| Office Status | Branch Post Office |
| Postal Circle | Jharkhand |
| Postal Division | Ranchi |
| Postal Region | Ranchi |
| District | Gumla |
| State | Jharkhand |
| Telephone No. | Na |