Post Offices List in Suisun City City, California:
| Suisun City Post Office | 325 Merganser Dr, Suisun City, CA 94585 |
| Fairfield Detached Del Unit Post Office | 325 Merganser Dr, Suisun City, CA 94585 |
| Suisun City Post Office | 325 Merganser Dr, Suisun City, CA 94585 |
| Fairfield Detached Del Unit Post Office | 325 Merganser Dr, Suisun City, CA 94585 |