Post Offices List in Lake Forest City, Illinois:
| Lake Forest Carrier Annex Post Office | 27848 N Bradley Rd, Lake Forest, IL 60045 |
| Lake Forest Post Office | 230 Northgate St, Lake Forest, IL 60045 |
| Lake Forest Carrier Annex Post Office | 27848 N Bradley Rd, Lake Forest, IL 60045 |
| Lake Forest Post Office | 230 Northgate St, Lake Forest, IL 60045 |