Post Offices List in Mifflintown City, Pennsylvania:
| Mifflintown Post Office | 150 Bridge St, Mifflintown, PA 17059 |
| Mifflintown Carrier Annex Post Office | 612 Washington Ave, Mifflintown, PA 17059 |
| Mifflintown Post Office | 150 Bridge St, Mifflintown, PA 17059 |
| Mifflintown Carrier Annex Post Office | 612 Washington Ave, Mifflintown, PA 17059 |