| Locality | Post Code |
|---|---|
| Niles, Trumbull | 44446 |
| North Bloomfield, Trumbull | 44450 |
| Oakfield, Trumbull | 44450 |
| Orangeville, Trumbull | 44453 |
| Southington, Trumbull | 44470 |
| Vernon, Trumbull | 44428 |
| Vienna, Trumbull | 44473 |
| Warren, Trumbull | 44481, 44483, 44484, 44485 |
| West Farmington, Trumbull | 44491 |
| West Mecca, Trumbull | 44410 |
| Yankee Lake, Trumbull | 44403 |