CW
13 districts, 9,858 postcodes
Cheshire East, Cheshire West and Chester, Newcastle-under-Lyme, Shropshire, Staffordshire Moorlands
| District | Postcodes | Local authority |
|---|---|---|
| CW1 | 1,174 | Cheshire East |
| CW10 | 453 | Cheshire East |
| CW11 | 823 | Cheshire East |
| CW12 | 1,066 | Cheshire East |
| CW2 | 1,043 | Cheshire East |
| CW3 | 348 | Newcastle-under-Lyme |
| CW4 | 344 | Cheshire East |
| CW5 | 1,008 | Cheshire East |
| CW6 | 557 | Cheshire West and Chester |
| CW7 | 870 | Cheshire West and Chester |
| CW8 | 1,116 | Cheshire West and Chester |
| CW9 | 1,054 | Cheshire West and Chester |
| CW98 | 2 | Cheshire East |