| Business | Phone |
| Us Post Office 218 Adams St, Dorchester 2122 | (617) 000-1111 |
| Us Post Office 551 Columbia Rd, Dorchester 2125 | (617) 000-1111 |
| Us Post Office 647 Warren St, Dorchester 2121 | (617) 000-1111 |
| Us Post Office 450 Talbot Ave, Dorchester 2124 | (617) 000-1111 |