Post Offices List in Aliquippa City, Pennsylvania:
| Aliquippa Post Office | 517 Franklin Ave, Aliquippa, PA 15001 |
| Mac Arthur Post Office | 906 22nd St, Aliquippa, PA 15001 |
| Aliquippa Post Office | 517 Franklin Ave, Aliquippa, PA 15001 |
| Mac Arthur Post Office | 906 22nd St, Aliquippa, PA 15001 |