Districts in the CW area
| District | Main place | Local authority | Sectors | Postcodes |
|---|---|---|---|---|
| CW1 | Crewe | Cheshire East | 6 | 1,175 |
| CW2 | Crewe | Cheshire East | 4 | 1,046 |
| CW3 | Madeley | Newcastle-under-Lyme | 2 | 348 |
| CW4 | Holmes Chapel | Cheshire East | 2 | 344 |
| CW5 | Nantwich | Cheshire East | 5 | 1,010 |
| CW6 | Tarporley | Cheshire West and Chester | 3 | 555 |
| CW7 | Winsford | Cheshire West and Chester | 5 | 869 |
| CW8 | Northwich | Cheshire West and Chester | 4 | 1,116 |
| CW9 | Northwich | Cheshire West and Chester | 5 | 1,053 |
| CW10 | Middlewich | Cheshire East | 2 | 453 |
| CW11 | Sandbach | Cheshire East | 5 | 822 |
| CW12 | Congleton | Cheshire East | 5 | 1,069 |
| CW98 | Crewe | Cheshire East | 1 | 2 |