I don't expect anyone to be able to answer this, but hope to be proved wrong. Does anyone know if there is a reasonably comprehensive source of old postcode data? I have data going back a few years and a fair proportion are codes that appear to have been been retired by Royal Mail. Has anyone has found decent source of such codes?
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1It would be easier if you add the year you want to find postcodes before or after of it. You said you have data going back a few years. But how many years before? :) – Tasos Nov 25 '13 at 22:47
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2Well my data goes back nearly 10 years, but it would certainly be useful to know how people have tackled this more generally :) – geotheory Nov 26 '13 at 0:06
This site UK Data Service has historical postcodes from 1988. But I don't know if it is open data since I have to login. I hope this will help you :)
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1Thanks Anastasios. Surprised I didn't spot that. I have access to UKDS but the links still fail, but I'm pretty sure thats the right data so I'll work through it with UKDS. – geotheory Nov 26 '13 at 10:24
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