| Locality | Post Code |
|---|---|
| Avondale, Clay | 64117 |
| Birmingham, Clay | 64161 |
| Claycomo, Clay | 64119 |
| Crystal Lakes, Clay | 64024 |
| Excelsior Estates, Clay | 64024 |
| Excelsior Springs, Clay | 64024 |
| Gladstone, Clay | 64118, 64119, 64119 |
| Holt, Clay | 64048 |
| Homestead Village, Clay | 64024 |
| Kansas City, Clay | 64116, 64117, 64118, 64119, 64155, … |
| Kansas North, Clay | 64117 |
| Kearney, Clay | 64060 |
| Lawson, Clay | 64062 |
| Liberty, Clay | 64068 |
| Missouri City, Clay | 64072 |
| Mosby, Clay | 64024 |
| North Kansas, Clay | 64116 |
| Oakview, Clay | 64118 |
| Orrick, Clay | 64077 |
| Paradise, Clay | 64089 |
| Pleasant Valley, Clay | 64068 |
| Randolph, Clay | 64117, 64161 |
| Smithville, Clay | 64089 |
| Trimble, Clay | 64492 |
| Village of Oakview, Clay | 64118 |