Post Offices List in Northern Mariana Islands County, Northern Mariana Islands:
| Rota Post Office | 1 Song Song Vlg, Rota, MP 96951 |
| Saipan Post Office | 1 Chalan Kanoa Vlg, Saipan, MP 96950 |
| Tinian Post Office | 1 San Jose Vlg, Tinian, MP 96952 |
| Rota Post Office | 1 Song Song Vlg, Rota, MP 96951 |
| Saipan Post Office | 1 Chalan Kanoa Vlg, Saipan, MP 96950 |
| Tinian Post Office | 1 San Jose Vlg, Tinian, MP 96952 |