Post Offices List in Fitchburg City, Massachusetts:
| Fitchburg Post Office | 881 Main St Ste E, Fitchburg, MA 01420 |
| Prichard Plaza Post Office | 477 Main St, Fitchburg, MA 01420 |
| Fitchburg Post Office | 881 Main St Ste E, Fitchburg, MA 01420 |
| Prichard Plaza Post Office | 477 Main St, Fitchburg, MA 01420 |