| Country | United Kingdom (GB) |
| UN/LOCODE | CLS |
| Name | Clacton-on-Sea |
| Name Without Diacritics | Clacton-on-Sea |
| Region | ESS |
| Function Code | 123----- |
| Function | Port, Rail, Road |
| Status Code | AA (Approved By National Government Agency) |
| Date | 701 |
| Location (UN Format) | 5148N 00109E |