- NHS Data Model and Dictionary:
 
Website: NHS Digital website
Website: NHS Digital web pages
Email: standards.assurance@nhs.net
Website: Department of Health website
Queries: Contact DH
- Organisation Data Service Queries:
 
Organisation Data Service information is published:
- on the Organisation Data Service pages of the NHS Digital website at: Organisation Data Service
 - to named recipients both inside the NHS and to others licensed to use this data in support of the NHS, through Technology Reference Data Update Distribution (TRUD)
 - as a subset of the data on the NHS Choices website.
 Email: exeter.helpdesk@nhs.net
- Postcodes:
 
Website links:
 Office for National Statistics website at:
Email: info@ons.gsi.gov.uk