Post Offices List in Chemult City, Oregon:
| Chemult Post Office | 125 G C Palmer St, Chemult, OR 97731 |
| Diamond Lake Post Office | 350 Resort Dr, Chemult, OR 97731 |
| Chemult Post Office | 125 G C Palmer St, Chemult, OR 97731 |
| Diamond Lake Post Office | 350 Resort Dr, Chemult, OR 97731 |