Post Offices List in Chelsea City, Massachusetts:
| Chelsea Post Office | 320 Broadway Ste 1, Chelsea, MA 02150 |
| Chelsea Carrier Annex Post Office | 307 Beacham St, Chelsea, MA 02150 |
| Chelsea Post Office | 320 Broadway Ste 1, Chelsea, MA 02150 |
| Chelsea Carrier Annex Post Office | 307 Beacham St, Chelsea, MA 02150 |