This CSV file provides a lookup of postcodes in the United Kingdom as at May 2024 to the new Westminster Parliamentary Constituencies that will became operable on the 4th July 2024. (File size 20MB). N.B. This updated release includes updated Scottish Westminster Parliamentary boundaries as well as the previously-updated codes for the following five constituencies:S14000006 – Ayr, Carrick and Cumnock – new code = S14000107S14000008 – Berwickshire, Roxburgh and Selkirk – new code = S14000108S14000010 – Central Ayrshire – new code = S14000109S14000040 – Kilmarnock and Loudoun – new code = S14000110S14000058 – West Aberdeenshire and Kincardine – new code = S14000111