| Locality | Post Code |
|---|---|
| Lucerne, Weld | 80646 |
| Mead, Weld | 80504, 80542 |
| Milliken, Weld | 80543 |
| New Raymer, Weld | 80742 |
| Niwot, Weld | 80504 |
| Nunn, Weld | 80648 |
| Pierce, Weld | 80650 |
| Platteville, Weld | 80651 |
| Raymer, Weld | 80742 |
| Roggen, Weld | 80652 |
| Severance, Weld | 80546, 80550, 80610, 80615 |
| Stoneham, Weld | 80754 |
| Wattenburg, Weld | 80621 |
| Windsor, Weld | 80550 |