Post Offices List in Ozaukee County, Wisconsin:
| Belgium Post Office | 543 Main St, Belgium, WI 53004 |
| Fredonia Post Office | 207 Regal Dr, Fredonia, WI 53021 |
| Grafton Post Office | 1817 Highland Dr, Grafton, WI 53024 |
| Port Washington Post Office | 104 E Main St, Port Washington, WI 53074 |
| Saukville Post Office | 600 W Dekora St, Saukville, WI 53080 |
| Thiensville Post Office | 124 W Freistadt Rd, Mequon, WI 53092 |
| Cedarburg Post Office | W63n605 Hanover Ave, Cedarburg, WI 53012 |