| Business | Phone |
| National Postal Mail Handlers 851 Summit Ave, Mankato 56001 | (507) 389-9724 |
| Us Post Office 1400 E Madison Ave, Mankato 56001 | (507) 625-3399 |
| Us Post Office 401 S 2nd St, Mankato 56001 | (507) 625-1781 |
| Us Post Office 851 Summit Ave, Mankato 56001 | (507) 625-5791 |