Checking for duplicate records / rows

H

Hru48

Hey all,

Right, here's my problem - I have a spreadsheet with thousands o
records and I need to check to see iff any of them are duplicated.

In column A I have a ZIP codes which are sorted into ascending order
so can anyone think of a way of checking through this column to see i
any one zip matches the zip above it or below it?

Many thanks,

Hayle
 
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