The Office for National Statistics (ONS) supplies postcode related data to ODS.
If you have any enquiries about this data, or wish to notify us of any errors or omissions, please contact the Office for National Statistics
| File description | File | Date uploaded | Quarterly/Monthly |
| Lookup Tables | look_ups | 30 November 2018 | Quarterly |
| Names and Codes | names_and_codes | 30 November 2018 | Quarterly |
| gridy59 | 30 November 2018 |
Quarterly |
|
| Postcodes in South West Commissioning Region | gridy58 | 30 November 2018 | Quarterly |
| Postcodes in London Commissioning Region | gridy56 | 30 November 2018 | Quarterly |
| Postcodes in Midlands and East of England Commissioning Region | gridy55 | 30 November 2018 | Quarterly |
| Postcodes in North of England Commissioning Region | gridy54 | 30 November 2018 | Quarterly |
| Postcodes in Channel Islands and Isle of Man, unallocated postcodes and pseudo codes | gridoth | 30 November 2018 | Quarterly |
| Postcodes in Wales, Scotland and Northern Ireland | gridwsn | 30 November 2018 | Quarterly |
| Complete Gridlink NHS Postcode | gridall | 30 November 2018 | Quarterly |