Post Offices List in Mckeesport City, Pennsylvania:
| Mckeesport Post Office | 850 Walnut St, Mckeesport, PA 15134 |
| Boston Post Office | 5727 Smithfield St, Mckeesport, PA 15135 |
| Mckeesport Post Office | 850 Walnut St, Mckeesport, PA 15134 |
| Boston Post Office | 5727 Smithfield St, Mckeesport, PA 15135 |