Data Zone 2011, Intermediate Zone 2011 and Output Areas 2011 are available below:
Data Zone 2001 and Data Zone 2011 Look ups for aggregation provided in http://statistics.gov.scot here:
The Office for National Statistics' Open Geography Portal allows users to discover, view and download geographical reference data to support National Statistics.
Lookup tables for the 2001 Data Zones, Intermediate Zones and Output Areas are available below:
National Records of Scotland release a Postcode Extract that relates both current and terminated postcodes in Scotland to a range of statutory, administrative, electoral and other area geographies.