CW - Crewe
The postal area CW (Crewe) comprises of the following post towns; these towns should be written in capital letters when used in addresses.
Postal Districts within CW - Crewe
| Country | Post Town | Postal District |
| England | Crewe | CW1 CW2 CW3 CW4 |
| Nantwich | CW5 | |
| Tarporley | CW6 | |
| Winsford | CW7 | |
| Northwich | CW8 CW9 |
|
| Middlewich | CW10 | |
| Sandbach | CW11 | |
| Congleton | CW12 |
