Post Offices List in Northbrook City, Illinois:
| Northbrook Post Office | 2460 Dundee Rd, Northbrook, IL 60062 |
| Downtown Northbrook Post Office | 1157 Church St, Northbrook, IL 60062 |
| Northbrook Post Office | 2460 Dundee Rd, Northbrook, IL 60062 |
| Downtown Northbrook Post Office | 1157 Church St, Northbrook, IL 60062 |