Post Offices List in Boundary County, Idaho:
| Bonners Ferry Post Office | 7167 1st St, Bonners Ferry, ID 83805 |
| Eastport Post Office | 100 E Ferry Ave, Eastport, ID 83826 |
| Moyie Springs Post Office | 3197 Roosevelt Rd, Moyie Springs, ID 83845 |
| Naples Post Office | 517 Deep Creek Loop, Naples, ID 83847 |
| Porthill Post Office | 3329 Porthill Loop Rd, Porthill, ID 83853 |