Post Offices List in Portage City, Wisconsin:
| Portage Post Office | 215 W Conant St, Portage, WI 53901 |
| Portage Post Office | 215 W Conant St, Portage, WI 53901 |
| Portage Post Office | 215 W Conant St, Portage, WI 53901 |
| Portage Post Office | 215 W Conant St, Portage, WI 53901 |