Post Offices List in Hillsboro City, Oregon:
| Hillsboro Dcu Post Office | 1330 Sw Walnut St, Hillsboro, OR 97123 |
| Hillsboro Post Office | 125 S 1st Ave, Hillsboro, OR 97123 |
| Hillsboro Dcu Post Office | 1330 Sw Walnut St, Hillsboro, OR 97123 |
| Hillsboro Post Office | 125 S 1st Ave, Hillsboro, OR 97123 |