Post Offices List in Barrington City, Illinois:
| Downtown Barrington Post Office | 106 Barrington Commons Ct, Barrington, IL 60010 |
| Barrington Post Office | 1515 S Grove Ave, Barrington, IL 60010 |
| Downtown Barrington Post Office | 106 Barrington Commons Ct, Barrington, IL 60010 |
| Barrington Post Office | 1515 S Grove Ave, Barrington, IL 60010 |