# CB

16 districts, 11,227 postcodes

- **Local authorities:** South Cambridgeshire, Cambridge, East Cambridgeshire, West Suffolk, Uttlesford, Braintree, King's Lynn and West Norfolk, Fenland

## Districts

| District | Postcodes | Local authority |
|---|---|---|
| [CB1](https://openpostcodes.uk/CB1) | 1158 | Cambridge |
| [CB10](https://openpostcodes.uk/CB10) | 576 | Uttlesford |
| [CB11](https://openpostcodes.uk/CB11) | 551 | Uttlesford |
| [CB2](https://openpostcodes.uk/CB2) | 587 | Cambridge |
| [CB21](https://openpostcodes.uk/CB21) | 446 | South Cambridgeshire |
| [CB22](https://openpostcodes.uk/CB22) | 610 | South Cambridgeshire |
| [CB23](https://openpostcodes.uk/CB23) | 884 | South Cambridgeshire |
| [CB24](https://openpostcodes.uk/CB24) | 816 | South Cambridgeshire |
| [CB25](https://openpostcodes.uk/CB25) | 422 | East Cambridgeshire |
| [CB3](https://openpostcodes.uk/CB3) | 411 | Cambridge |
| [CB4](https://openpostcodes.uk/CB4) | 905 | Cambridge |
| [CB5](https://openpostcodes.uk/CB5) | 279 | Cambridge |
| [CB6](https://openpostcodes.uk/CB6) | 922 | East Cambridgeshire |
| [CB7](https://openpostcodes.uk/CB7) | 746 | East Cambridgeshire |
| [CB8](https://openpostcodes.uk/CB8) | 1072 | West Suffolk |
| [CB9](https://openpostcodes.uk/CB9) | 842 | West Suffolk |