| Locality | Postal Code |
|---|---|
| Granger, St. Joseph | 46530 |
| Hudson Lake, St. Joseph | 46552 |
| Lakeville, St. Joseph | 46536 |
| Lydick, St. Joseph | 46628 |
| Mishawaka, St. Joseph | 46544, 46545 |
| New Carlisle, St. Joseph | 46552 |
| North Liberty, St. Joseph | 46554 |
| Notre Dame, St. Joseph | 46556 |
| Osceola, St. Joseph | 46561 |
| Roseland, St. Joseph | 46637 |
| Saint Marys, St. Joseph | 46556 |
| South Bend, St. Joseph | 46601, 46613, 46614, 46615, 46616, … |
| Walkerton, St. Joseph | 46574 |
| Wyatt, St. Joseph | 46595 |