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Postcode updates and changes

Postcode geography is continually changing as new postcodes are added and existing ones terminated. These changes are grouped into postcode updates.

Periodically, Royal Mail releases details of major postcode updates that they carry out. These updates are required to cover new housing developments or bulk mail delivery addresses.

Click on the links below for postcode changes within each update to see if they affect your catchments.

• Update 29 (Yr 1999, Qtr 2)
• Update 30 (Yr 1999, Qtr 4)
• Update 31 (Yr 2000, Qtr 2)
• Update 32 (Yr 2001, Qtr 2)
• Update 33 (Yr 2001, Qtr 3)
• Update 34 (Yr 2002, Qtr 1)
• Update 35 (Yr 2002, Qtr 4)
• Update 36 (Yr 2003, Qtr 2)
• Update 39 (Yr 2004, Qtr 4)
• Update 43 (Yr 2006, Qtr 4)
• Update 44 (Yr 2007, Qtr 1)
• Update 46 (Yr 2007, Qtr 3)
• Update 48 (Yr 2009, Qtr 1)

No major changes were carried out for Updates 37, 38, 40, 41, 42, 45 and 47

Buy the Postcode Updates file

Clean your customer database or mailing lists using the Postcode Updates file. It includes all recorded postcode changes since 1990. For more details, click here.

Search for Postcode Updates

You can search all postcode updates for changes since Update 1. Enter any part of a postcode below to search. (e.g. 'CM7 5BS', 'CM7 5', 'CM7').