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AddressBase products epoch dates

Find the latest - and past - epoch dates for our addressing products.

AddressBase, AddressBase Plus, AddressBase Premium and AddressBase Islands are updated every six weeks. This six week period of time is known as an epoch.

Our AddressBase products are currently available as a full supply or Change Only Update (COU) for each epoch.

Future dates are provided as an indication only and are subject to change. Data cut dates are estimated; these are given to provide an indication of the last point at which changes will reach the epoch.  

Epoch number Publication date Data cut date
72 18 December 2019 18 November 2019
73 29 January 2020 2 January 2020
74 4 March 2020 3 February 2020
75 22 April 2020 23 March 2020
76 3 June 2020 1 May 2020

Past epoch publication dates

Epoch number Publication date Data cut date
71 6 November 2019 7 October 2019
70 25 September 2019 26 August 2019
69 14 August 2019 15 July 2019
68 3 July 2019 3 June 2019
67 22 May 2019 23 April 2019