# CO

16 districts, 13,759 postcodes

- **Local authorities:** Colchester, Tendring, Babergh, Braintree, West Suffolk, Maldon

## Districts

| District | Postcodes | Local authority |
|---|---|---|
| [CO1](https://openpostcodes.uk/CO1) | 595 | Colchester |
| [CO10](https://openpostcodes.uk/CO10) | 1678 | Babergh |
| [CO11](https://openpostcodes.uk/CO11) | 576 | Tendring |
| [CO12](https://openpostcodes.uk/CO12) | 642 | Tendring |
| [CO13](https://openpostcodes.uk/CO13) | 441 | Tendring |
| [CO14](https://openpostcodes.uk/CO14) | 246 | Tendring |
| [CO15](https://openpostcodes.uk/CO15) | 1365 | Tendring |
| [CO16](https://openpostcodes.uk/CO16) | 819 | Tendring |
| [CO2](https://openpostcodes.uk/CO2) | 944 | Colchester |
| [CO3](https://openpostcodes.uk/CO3) | 866 | Colchester |
| [CO4](https://openpostcodes.uk/CO4) | 1191 | Colchester |
| [CO5](https://openpostcodes.uk/CO5) | 976 | Colchester |
| [CO6](https://openpostcodes.uk/CO6) | 1028 | Colchester |
| [CO7](https://openpostcodes.uk/CO7) | 1338 | Tendring |
| [CO8](https://openpostcodes.uk/CO8) | 126 | Braintree |
| [CO9](https://openpostcodes.uk/CO9) | 928 | Braintree |