| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 801 | Udari | Udari B.O | 📍 782105 | Marigaon | Branch Post Office |
| 802 | Udari BO station | Udari B.O | 📍 782105 | Marigaon | Branch Post Office |
| 803 | Udkati | Moirabari S.O | 📍 782126 | Laharighat | Post Office - PO |
| 804 | Udmari | Hatiamukh B.O | 📍 782411 | Mayong | Branch Post Office |
| 805 | Ulubari | Baghara B.O | 📍 782105 | Marigaon | Branch Post Office |
| 806 | Ulubari | Hahcharagaon B.O | 📍 782126 | Marigaon | Branch Post Office |
| 807 | Ulubari | Moirabari S.O | 📍 782126 | Laharighat | Post Office - PO |
| 808 | Uralkata Pathar | Sapmarigaon B.O | 📍 782104 | Laharighat | Branch Post Office |
| 809 | Uttar Dharamtul | Dharamtul S.O | 📍 782412 | Marigaon | Post Office - PO |
| 810 | Uwabori | Damal B.O | 📍 782105 | Marigaon | Branch Post Office |