| Office Name | Jaynagar S.O |
| Pincodes | 847226 |
| Area | Jaynagar |
| Office Status | Sub Post Office |
| Postal Circle | Bihar |
| Postal Division | Madhubani |
| Postal Region | Muzaffarpur |
| District | Madhubani |
| State | Bihar |
| Telephone No. | 06246-222002 |
| Office Name | Jaynagar B.O |
| Pincodes | 854334 |
| Area | Jaynagar |
| Office Status | Branch Post Office |
| Postal Circle | Bihar |
| Postal Division | Purnea |
| Postal Region | Muzaffarpur |
| District | Araria |
| State | Bihar |
| Telephone No. | Na |
| Office Name | Jaynagar B.O |
| Pincodes | 754220 |
| Area | Jaynagar |
| Office Status | Branch Post Office |
| Postal Circle | Odisha |
| Postal Division | Cuttack North |
| Postal Region | Bhubaneswar Hq |
| District | Kendrapara |
| State | Odisha |
| Telephone No. | Na |
| Office Name | Jaynagar B.O |
| Pincodes | 721212 |
| Area | Jaynagar |
| Office Status | Branch Post Office |
| Postal Circle | West Bengal |
| Postal Division | Midnapore |
| Postal Region | South Bengal |
| District | West Midnapore |
| State | West Bengal |
| Telephone No. | Na |