+ Unpacked you'll see a directory of CSV files.
+
+ $ more codepo_gb/Data/CSV/n.csv
+ "N1 0AA",10,530626,183961,"E92000001","E19000003","E18000007","","E09000019","E05000368"
+ "N1 0AB",10,530559,183978,"E92000001","E19000003","E18000007","","E09000019","E05000368"