There are 9 post offices under PIN code 799289.
| Post Office | Office Type | Delivery Status | Taluk | District | Division | Region | State | Circle | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ambassa S.O | Sub Office | Delivery | Ambassa | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |
| 2 | Chandraipara B.O | Branch Office | Delivery | Ambassa | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |
| 3 | Ganganagar Tribalcolony B.O | Branch Office | Delivery | Ganganagar | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |
| 4 | Harincherra B.O | Branch Office | Delivery | Ambassa | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |
| 5 | Kamalacherra B.O | Branch Office | Delivery | Ambassa | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |
| 6 | Kanchanpur Colony B.O | Branch Office | Delivery | Ambassa | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |
| 7 | Karnamunipara B.O | Branch Office | Delivery | Ambassa | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |
| 8 | Lakraichowdhuripara B.O | Branch Office | Delivery | Ambassa | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |
| 9 | Sikaribari B.O | Branch Office | Delivery | Ambassa | Dhalai | Dharmanagar | Shillong Hq | Tripura | North Eastern |