| District | Post Town | Coverage | Postcodes |
|---|---|---|---|
| CW1 | Crewe | Crewe | 1,154 |
| CW2 | Crewe | Crewe | 1,036 |
| CW3 | Crewe | Crewe | 345 |
| CW4 | Crewe | Holmes Chapel, Goostrey | 345 |
| CW5 | Nantwich | Nantwich, Willaston | 998 |
| CW6 | Tarporley | Tarporley | 555 |
| CW7 | Winsford | Winsford | 861 |
| CW8 | Northwich | Northwich | 1,109 |
| CW9 | Northwich | Northwich, Wincham, Pickmere | 1,052 |
| CW10 | Middlewich | Middlewich | 450 |
| CW11 | Sandbach | Sandbach | 825 |
| CW12 | Congleton | Congleton | 1,039 |
| CW98 | Crewe | Non-geographic | 2 |