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Office for National Statistics data

Download Office for National Statistics (ONS) postcode data for each commissioning region. How to make enquiries about the data and report errors or omissions. Data is uploaded quarterly.

The Office for National Statistics (ONS) supplies postcode related data to ODS.

Before using this data you are strongly advised to read the NHSPD user guide that supports it.

The content covers:

  • directory content
  • data currency
  • latest news, including area changes
  • the methodology for assigning areas to postcodes
  • data format
  • summary statistics and data quality and limitations
  • annex A – NHSPD Record Specification

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
A number of look up tables including the Pseudo Country Postcode files look_ups 30 May 2025 Quarterly
Meta data files mapping Government Statistical Service (GSS) standard 9-character codes for administrative and electoral areas, against ODS code where applicable, and the official names for the given areas. names_and_codes 30 May 2025 Quarterly

Postcodes in North East and Yorkshire Commissioning Region

gridy63 30 May 2025 Quarterly

Postcodes in North West Commissioning Region

gridy62 30 May 2025 Quarterly

Postcodes in East of England Commissioning Region

gridy61 30 May 2025 Quarterly

Postcodes in Midlands Commissioning Region

gridy60 30 May 2025 Quarterly

Postcodes in South East Commissioning Region

gridy59 30 May 2025

Quarterly

Postcodes in South West Commissioning Region gridy58 30 May 2025 Quarterly
Postcodes in London Commissioning Region gridy56 30 May 2025 Quarterly
Postcodes in Channel Islands and Isle of Man, unallocated postcodes and pseudo codes gridoth 30 May 2025 Quarterly
Postcodes in Wales, Scotland and Northern Ireland gridwsn 30 May 2025 Quarterly
Complete Gridlink NHS Postcode Directory gridall 30 May 2025 Quarterly

Last edited: 27 May 2025 11:21 am