LFOD was Deauville
LFQL Lille
LYZA Zagreb
Who can remember prior to 1958, when the whole ICAO system of 4 letter codes for airfields was revamped
GALA H'row
FFLT Le Touquet
FFMK Calais
ONOS Ostend
ONBR Brussels
PAAM Amsterdam
GADQ Southend??
to name a few I remember from ATC Southend when I first started work there