| Locality | Post Code |
|---|---|
| Broderick, Yolo | 95605 |
| Brooks, Yolo | 95606 |
| Bryte, Yolo | 95605 |
| Capay, Yolo | 95607 |
| Clarksburg, Yolo | 95612 |
| Davis, Yolo | 95616, 95617, 95618 |
| Dunnigan, Yolo | 95937 |
| El Macero, Yolo | 95618 |
| Esparto, Yolo | 95627 |
| Guinda, Yolo | 95637 |
| Knights Landing, Yolo | 95645 |
| Madison, Yolo | 95653 |
| River Bank, Yolo | 95605 |
| Rumsey, Yolo | 95679 |
| West Sacramento, Yolo | 95605, 95691 |
| Winters, Yolo | 95694 |
| Woodland, Yolo | 95695, 95776 |
| Yolo, Yolo | 95697 |
| Zamora, Yolo | 95698 |