| Locality | Post Code |
|---|---|
| Bartlett, Bell | 76511 |
| Belfalls, Bell | 76579 |
| Belton, Bell | 76513 |
| Chaffee Village, Bell | 76544 |
| Clear Creek, Bell | 76544 |
| Edgeworth, Bell | 76569 |
| Fort Hood, Bell | 76544 |
| Harker Heights, Bell | 76548 |
| Heidenheimer, Bell | 76533 |
| Holland, Bell | 76534 |
| Killeen, Bell | 76541, 76542, 76543, 76549 |
| Leedale, Bell | 76569 |
| Little River Academy, Bell | 76554 |
| Maxdale, Bell | 76542 |
| McNair Village, Bell | 76544 |
| Moffatt, Bell | 76501 |
| Montague Village, Bell | 76544 |
| Morgans Point, Bell | 76513 |
| Morgans Point Resort, Bell | 76513 |
| Nolanville, Bell | 76559 |
| Oenaville, Bell | 76501 |
| Oscar, Bell | 76501 |
| Pendleton, Bell | 76564 |
| Prairie Dell, Bell | 76571 |
| Ratibor, Bell | 76501 |
| Red Ranger, Bell | 76569 |